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312132102030100 = 2252113312297373213
BaseRepresentation
bin100011011111000011110101…
…1000100001000001100010100
31111221011112111212022010111001
41012332013223010020030110
5311402433021104430400
63023503301431153044
7122513541315310432
oct10676075304101424
91457145455263431
10312132102030100
1190500532368810
122b011361515784
1310521c14318101
1457113bab37d52
152614413e0ba6a
hex11be1eb108314

312132102030100 has 144 divisors (see below), whose sum is σ = 741458783975616. Its totient is φ = 113110107264000.

The previous prime is 312132102030041. The next prime is 312132102030109. The reversal of 312132102030100 is 1030201231213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312132102030109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 836151094 + ... + 836524306.

It is an arithmetic number, because the mean of its divisors is an integer number (5149019333164).

Almost surely, 2312132102030100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312132102030100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370729391987808).

312132102030100 is an abundant number, since it is smaller than the sum of its proper divisors (429326681945516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312132102030100 is a wasteful number, since it uses less digits than its factorization.

312132102030100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375866 (or 375859 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312132102030100 its reverse (1030201231213), we get a palindrome (313162303261313).

The spelling of 312132102030100 in words is "three hundred twelve trillion, one hundred thirty-two billion, one hundred two million, thirty thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 331 550 662 1100 1324 1655 2297 3310 3641 4594 6620 7282 8275 9188 11485 14564 16550 18205 22970 25267 33100 36410 45940 50534 57425 72820 91025 101068 114850 126335 182050 229700 252670 364100 373213 505340 631675 746426 760307 1263350 1492852 1520614 1866065 2526700 3041228 3732130 3801535 4105343 7464260 7603070 8210686 8363377 9330325 15206140 16421372 16726754 18660650 19007675 20526715 33453508 37321300 38015350 41053430 41816885 76030700 82106860 83633770 102633575 123533503 167267540 205267150 209084425 247067006 410534300 418168850 494134012 617667515 836337700 857270261 1235335030 1358868533 1714540522 2470670060 2717737066 3088337575 3429081044 4286351305 5435474132 6176675150 6794342665 8572702610 9429972871 12353350300 13588685330 17145405220 18859945742 21431756525 27177370660 33971713325 37719891484 42863513050 47149864355 67943426650 85727026100 94299728710 135886853300 188599457420 235749321775 283756456391 471498643550 567512912782 942997287100 1135025825564 1418782281955 2837564563910 3121321020301 5675129127820 6242642040602 7093911409775 12485284081204 14187822819550 15606605101505 28375645639100 31213210203010 62426420406020 78033025507525 156066051015050 312132102030100