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3115140630 = 2357193721101
BaseRepresentation
bin1011100110101101…
…0100011000010110
322001002200112120220
42321223110120112
522334434000010
61233040135210
7140124154440
oct27153243026
98032615526
103115140630
111359463298
1272b307506
133a84c96a4
14217a19490
15133739970
hexb9ad4616

3115140630 has 128 divisors (see below), whose sum is σ = 9237611520. Its totient is φ = 656294400.

The previous prime is 3115140629. The next prime is 3115140641. The reversal of 3115140630 is 360415113.

3115140630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×31151406302 = 19408202289353593800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3115140630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 137080 + ... + 158180.

It is an arithmetic number, because the mean of its divisors is an integer number (72168840).

Almost surely, 23115140630 is an apocalyptic number.

3115140630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3115140630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4618805760).

3115140630 is an abundant number, since it is smaller than the sum of its proper divisors (6122470890).

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

3115140630 is a wasteful number, since it uses less digits than its factorization.

3115140630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21174.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 3115140630 is about 55813.4448856187. Note that the first 3 decimals coincide. The cubic root of 3115140630 is about 1460.4697040677.

Adding to 3115140630 its reverse (360415113), we get a palindrome (3475555743).

The spelling of 3115140630 in words is "three billion, one hundred fifteen million, one hundred forty thousand, six hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 37 38 42 57 70 74 95 105 111 114 133 185 190 210 222 259 266 285 370 399 518 555 570 665 703 777 798 1110 1295 1330 1406 1554 1995 2109 2590 3515 3885 3990 4218 4921 7030 7770 9842 10545 14763 21090 21101 24605 29526 42202 49210 63303 73815 105505 126606 147630 147707 211010 295414 316515 400919 443121 633030 738535 780737 801838 886242 1202757 1477070 1561474 2004595 2215605 2342211 2405514 2806433 3903685 4009190 4431210 4684422 5465159 5612866 6013785 7807370 8419299 10930318 11711055 12027570 14032165 14834003 16395477 16838598 23422110 27325795 28064330 29668006 32790954 42096495 44502009 54651590 74170015 81977385 84192990 89004018 103838021 148340030 163954770 207676042 222510045 311514063 445020090 519190105 623028126 1038380210 1557570315 3115140630