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51106420323162 = 2323121909723029
BaseRepresentation
bin10111001111011001001000…
…00001110111001101011010
320200221201121022012020112100
423213230210001313031122
523144311422100320122
6300405544304424230
713523213511122031
oct1347544401671532
9220851538166470
1051106420323162
1115314124a26986
125894924918076
1322694126a2b29
14c897c7655718
155d95de0c3aac
hex2e7b2407735a

51106420323162 has 24 divisors (see below), whose sum is σ = 110766056686740. Its totient is φ = 17030015084160.

The previous prime is 51106420323071. The next prime is 51106420323197. The reversal of 51106420323162 is 26132302460115.

51106420323162 is a `hidden beast` number, since 5 + 1 + 1 + 0 + 642 + 0 + 3 + 2 + 3 + 1 + 6 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37115985259521 + 13990435063641 = 6092289^2 + 3740379^2 .

It is a super-2 number, since 2×511064203231622 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454805337 + ... + 454917692.

Almost surely, 251106420323162 is an apocalyptic number.

51106420323162 is an abundant number, since it is smaller than the sum of its proper divisors (59659636363578).

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

51106420323162 is a wasteful number, since it uses less digits than its factorization.

51106420323162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909726158 (or 909726155 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 51106420323162 its reverse (26132302460115), we get a palindrome (77238722783277).

The spelling of 51106420323162 in words is "fifty-one trillion, one hundred six billion, four hundred twenty million, three hundred twenty-three thousand, one hundred sixty-two".

Divisors: 1 2 3 6 9 18 3121 6242 9363 18726 28089 56178 909723029 1819446058 2729169087 5458338174 8187507261 16375014522 2839245573509 5678491147018 8517736720527 17035473441054 25553210161581 51106420323162