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232523404432513 = 1947111942037103
BaseRepresentation
bin110100110111101010010010…
…111011000101010010000001
31010111022000112211221201221221
4310313222102323011102001
5220434130413013320023
62142311435523115041
766656155503543535
oct6467522273052201
91114260484851857
10232523404432513
11680a8692a25197
12220b4715812a81
139c98b2aba339c
14415c29b16bbc5
151bd370252585d
hexd37a92ec5481

232523404432513 has 4 divisors (see below), whose sum is σ = 232535346489088. Its totient is φ = 232511462375940.

The previous prime is 232523404432511. The next prime is 232523404432547. The reversal of 232523404432513 is 315234404325232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232523404432513 - 21 = 232523404432511 is a prime.

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 232523404432513.

It is not an unprimeable number, because it can be changed into a prime (232523404432511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5970999081 + ... + 5971038022.

It is an arithmetic number, because the mean of its divisors is an integer number (58133836622272).

Almost surely, 2232523404432513 is an apocalyptic number.

It is an amenable number.

232523404432513 is a deficient number, since it is larger than the sum of its proper divisors (11942056575).

232523404432513 is a wasteful number, since it uses less digits than its factorization.

232523404432513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11942056574.

The product of its (nonzero) digits is 2073600, while the sum is 43.

Adding to 232523404432513 its reverse (315234404325232), we get a palindrome (547757808757745).

The spelling of 232523404432513 in words is "two hundred thirty-two trillion, five hundred twenty-three billion, four hundred four million, four hundred thirty-two thousand, five hundred thirteen".

Divisors: 1 19471 11942037103 232523404432513