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231425021045200 = 2452578562552613
BaseRepresentation
bin110100100111101011010110…
…001010111110100111010000
31010100102000102121211101221011
4310213223112022332213100
5220313131420341421300
62140111104215140304
766513622522026523
oct6447532612764720
91110360377741834
10231425021045200
1167814889162244
1221b57877374694
139c19393cc9588
144121060680bba
151bb4d68955eba
hexd27ad62be9d0

231425021045200 has 30 divisors (see below), whose sum is σ = 555998613062054. Its totient is φ = 92570008417920.

The previous prime is 231425021045167. The next prime is 231425021045249. The reversal of 231425021045200 is 2540120524132.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 67103490155584 + 164321530889616 = 8191672^2 + 12818796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 289281275907 + ... + 289281276706.

Almost surely, 2231425021045200 is an apocalyptic number.

231425021045200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231425021045200 is an abundant number, since it is smaller than the sum of its proper divisors (324573592016854).

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

231425021045200 is a wasteful number, since it uses less digits than its factorization.

231425021045200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578562552631 (or 578562552620 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 231425021045200 its reverse (2540120524132), we get a palindrome (233965141569332).

The spelling of 231425021045200 in words is "two hundred thirty-one trillion, four hundred twenty-five billion, twenty-one million, forty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 578562552613 1157125105226 2314250210452 2892812763065 4628500420904 5785625526130 9257000841808 11571251052260 14464063815325 23142502104520 28928127630650 46285004209040 57856255261300 115712510522600 231425021045200