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51236522360045 = 5112932123211511
BaseRepresentation
bin10111010011001011011101…
…01101101111110011101101
320201102011102100010111102222
423221211232231233303231
523203424344211010140
6300545422230525125
713535500534154021
oct1351455655576355
9221364370114388
1051236522360045
1115364318158910
1258b5b938067a5
1322787777522c9
14c91c0a4c2381
155dcba5d905b5
hex2e996eb6fced

51236522360045 has 16 divisors (see below), whose sum is σ = 69386136865920. Its totient is φ = 35977996891200.

The previous prime is 51236522360011. The next prime is 51236522360057. The reversal of 51236522360045 is 54006322563215.

It is not a de Polignac number, because 51236522360045 - 228 = 51236253924589 is a prime.

It is a super-2 number, since 2×512365223600452 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51236522359978 and 51236522360005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16061604161 + ... + 16061607350.

It is an arithmetic number, because the mean of its divisors is an integer number (4336633554120).

Almost surely, 251236522360045 is an apocalyptic number.

51236522360045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51236522360045 is a deficient number, since it is larger than the sum of its proper divisors (18149614505875).

51236522360045 is a wasteful number, since it uses less digits than its factorization.

51236522360045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32123211556.

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 51236522360045 in words is "fifty-one trillion, two hundred thirty-six billion, five hundred twenty-two million, three hundred sixty thousand, forty-five".

Divisors: 1 5 11 29 55 145 319 1595 32123211511 160616057555 353355326621 931573133819 1766776633105 4657865669095 10247304472009 51236522360045