Search a number
-
+
2112220012210 = 25711592788033
BaseRepresentation
bin11110101111001010000…
…111111001111010110010
321110221000020121010120121
4132233022013321322302
5234101311310342320
64254201313200454
7305413531604230
oct36571207717262
97427006533517
102112220012210
11744873149a30
122a144226012a
1312424897b769
147433683d950
1539e24e468aa
hex1ebca1f9eb2

2112220012210 has 96 divisors (see below), whose sum is σ = 4821860264832. Its totient is φ = 647194920960.

The previous prime is 2112220012121. The next prime is 2112220012247. The reversal of 2112220012210 is 122100222112.

It is a happy number.

It is a super-2 number, since 2×21122200122102 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2286354 + ... + 3074386.

It is an arithmetic number, because the mean of its divisors is an integer number (50227711092).

Almost surely, 22112220012210 is an apocalyptic number.

2112220012210 is an abundant number, since it is smaller than the sum of its proper divisors (2709640252622).

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

2112220012210 is a wasteful number, since it uses less digits than its factorization.

2112220012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788176 (or 788117 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2112220012210 its reverse (122100222112), we get a palindrome (2234320234322).

The spelling of 2112220012210 in words is "two trillion, one hundred twelve billion, two hundred twenty million, twelve thousand, two hundred ten".

Divisors: 1 2 5 7 10 11 14 22 35 55 59 70 77 110 118 154 295 385 413 590 649 770 826 1298 2065 3245 3481 4130 4543 6490 6962 9086 17405 22715 24367 34810 38291 45430 48734 76582 121835 191455 243670 268037 382910 536074 788033 1340185 1576066 2680370 3940165 5516231 7880330 8668363 11032462 17336726 27581155 43341815 46493947 55162310 60678541 86683630 92987894 121357082 232469735 303392705 325457629 464939470 511433417 606785410 650915258 1022866834 1627288145 2557167085 2743142873 3254576290 3580033919 5114334170 5486285746 7160067838 13715714365 17900169595 19202000111 27431428730 30174571603 35800339190 38404000222 60349143206 96010000555 150872858015 192020001110 211222001221 301745716030 422444002442 1056110006105 2112220012210