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52156171546331 = 1395714657141107
BaseRepresentation
bin10111101101111100011100…
…00100111110111011011011
320211200002012021022122222112
423312332032010332323123
523314011314403440311
6302532114152342535
713662105360234656
oct1366761604767333
9224602167278875
1052156171546331
1115689343147136
125a242703a4a4b
1323143c9006658
14cc452d35089d
15606a7d43d28b
hex2f6f8e13eedb

52156171546331 has 16 divisors (see below), whose sum is σ = 52635067605120. Its totient is φ = 51678796901760.

The previous prime is 52156171546321. The next prime is 52156171546399. The reversal of 52156171546331 is 13364517165125.

It is a cyclic number.

It is not a de Polignac number, because 52156171546331 - 214 = 52156171529947 is a prime.

It is a super-2 number, since 2×521561715463312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52156171546331.

It is not an unprimeable number, because it can be changed into a prime (52156171546321) 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, 369550880 + ... + 369691986.

It is an arithmetic number, because the mean of its divisors is an integer number (3289691725320).

Almost surely, 252156171546331 is an apocalyptic number.

52156171546331 is a deficient number, since it is larger than the sum of its proper divisors (478896058789).

52156171546331 is a wasteful number, since it uses less digits than its factorization.

52156171546331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146474.

The product of its digits is 2268000, while the sum is 50.

The spelling of 52156171546331 in words is "fifty-two trillion, one hundred fifty-six billion, one hundred seventy-one million, five hundred forty-six thousand, three hundred thirty-one".

Divisors: 1 139 571 4657 79369 141107 647323 2659147 19613873 80572097 369621433 657135299 11199521483 91341806561 375224255729 52156171546331