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232310123021 = 387759920073
BaseRepresentation
bin1101100001011011000…
…0110010101000001101
3211012122002110222220102
43120112300302220031
512301232342414041
6254415524100445
722532601315254
oct3302660625015
9735562428812
10232310123021
118a58200a909
1239034234725
1318ba3191c72
14b35b27179b
156099cbe09b
hex3616c32a0d

232310123021 has 4 divisors (see below), whose sum is σ = 232370046972. Its totient is φ = 232250199072.

The previous prime is 232310122969. The next prime is 232310123063. The reversal of 232310123021 is 120321013232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36056692996 + 196253430025 = 189886^2 + 443005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-232310123021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232310122984 and 232310123002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232310122021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29956160 + ... + 29963913.

It is an arithmetic number, because the mean of its divisors is an integer number (58092511743).

Almost surely, 2232310123021 is an apocalyptic number.

It is an amenable number.

232310123021 is a deficient number, since it is larger than the sum of its proper divisors (59923951).

232310123021 is an equidigital number, since it uses as much as digits as its factorization.

232310123021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59923950.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 232310123021 its reverse (120321013232), we get a palindrome (352631136253).

The spelling of 232310123021 in words is "two hundred thirty-two billion, three hundred ten million, one hundred twenty-three thousand, twenty-one".

Divisors: 1 3877 59920073 232310123021