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52123113511 = 742011772473
BaseRepresentation
bin110000100010110001…
…111001100000100111
311222112112211111211121
4300202301321200213
51323222004113021
635540043114411
73523442104030
oct604261714047
9158475744747
1052123113511
1120118158717
12a127b12a07
134bb8891201
1427466b5a87
151550e75741
hexc22c79827

52123113511 has 8 divisors (see below), whose sum is σ = 59583485984. Its totient is φ = 44666294400.

The previous prime is 52123113509. The next prime is 52123113527. The reversal of 52123113511 is 11531132125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52123113511 - 21 = 52123113509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52123113011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856830 + ... + 915643.

It is an arithmetic number, because the mean of its divisors is an integer number (7447935748).

Almost surely, 252123113511 is an apocalyptic number.

52123113511 is a deficient number, since it is larger than the sum of its proper divisors (7460372473).

52123113511 is a wasteful number, since it uses less digits than its factorization.

52123113511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776681.

The product of its digits is 900, while the sum is 25.

Adding to 52123113511 its reverse (11531132125), we get a palindrome (63654245636).

The spelling of 52123113511 in words is "fifty-two billion, one hundred twenty-three million, one hundred thirteen thousand, five hundred eleven".

Divisors: 1 7 4201 29407 1772473 12407311 7446159073 52123113511