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231514003444144 = 2417851154424427
BaseRepresentation
bin110100101000111110001101…
…111011111001000110110000
31010100201112002221220121211111
4310220332031323321012300
5220321111134340203034
62140220022004523104
766523222553654251
oct6450761573710660
91110645087817744
10231514003444144
11678495a0428623
1221b70b6b3b0494
139c248a505b145
1441254a236cb28
151bb73257c6364
hexd28f8def91b0

231514003444144 has 20 divisors (see below), whose sum is σ = 474944168830824. Its totient is φ = 108947766326528.

The previous prime is 231514003444121. The next prime is 231514003444181. The reversal of 231514003444144 is 441444300415132.

It is a junction number, because it is equal to n+sod(n) for n = 231514003444097 and 231514003444106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425577211942 + ... + 425577212485.

Almost surely, 2231514003444144 is an apocalyptic number.

It is an amenable number.

231514003444144 is an abundant number, since it is smaller than the sum of its proper divisors (243430165386680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231514003444144 is a wasteful number, since it uses less digits than its factorization.

231514003444144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851154424452 (or 851154424446 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

Adding to 231514003444144 its reverse (441444300415132), we get a palindrome (672958303859276).

The spelling of 231514003444144 in words is "two hundred thirty-one trillion, five hundred fourteen billion, three million, four hundred forty-four thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 17 34 68 136 272 851154424427 1702308848854 3404617697708 6809235395416 13618470790832 14469625215259 28939250430518 57878500861036 115757001722072 231514003444144