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51105150516152 = 23199718353188861
BaseRepresentation
bin10111001111010110110000…
…10101111011101110111000
320200221121022210211100210002
423213223120111323232320
523144301322013004102
6300405214304212132
713523140162002545
oct1347533025735670
9220847283740702
1051105150516152
11153136331810a7
12589462b60a048
13226926c5a9935
14c89706b53bcc
155d9567899902
hex2e7ad857bbb8

51105150516152 has 64 divisors (see below), whose sum is σ = 101911370551200. Its totient is φ = 23956706672640.

The previous prime is 51105150516071. The next prime is 51105150516157. The reversal of 51105150516152 is 25161505150115.

It is a super-2 number, since 2×511051505161522 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51105150516157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270502202 + ... + 270691062.

Almost surely, 251105150516152 is an apocalyptic number.

It is an amenable number.

51105150516152 is a deficient number, since it is larger than the sum of its proper divisors (50806220035048).

51105150516152 is a wasteful number, since it uses less digits than its factorization.

51105150516152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207336 (or 207332 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 38.

Adding to 51105150516152 its reverse (25161505150115), we get a palindrome (76266655666267).

The spelling of 51105150516152 in words is "fifty-one trillion, one hundred five billion, one hundred fifty million, five hundred sixteen thousand, one hundred fifty-two".

Divisors: 1 2 4 8 19 38 76 97 152 194 388 776 1843 3686 7372 14744 18353 36706 73412 146824 188861 348707 377722 697414 755444 1394828 1510888 1780241 2789656 3560482 3588359 7120964 7176718 14241928 14353436 18319517 28706872 33824579 36639034 67649158 73278068 135298316 146556136 270596632 348070823 696141646 1392283292 2784566584 3466165933 6932331866 13864663732 27729327464 65857152727 131714305454 263428610908 336218095501 526857221816 672436191002 1344872382004 2689744764008 6388143814519 12776287629038 25552575258076 51105150516152