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231513523312010 = 25229631008202427
BaseRepresentation
bin110100101000111101110001…
…010100010101010110001010
31010100201110212111110101100212
4310220331301110111112022
5220321104143431441020
62140215502214001122
766523204633626152
oct6450756124252612
91110643774411325
10231513523312010
1167849374401205
1221b70a566461a2
139c248297412a4
1441254586a9762
151bb72e8584cc5
hexd28f7151558a

231513523312010 has 16 divisors (see below), whose sum is σ = 416742490018656. Its totient is φ = 92601376423248.

The previous prime is 231513523312003. The next prime is 231513523312021. The reversal of 231513523312010 is 10213325315132.

It is a super-2 number, since 2×2315135233120102 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 503871584 + ... + 504330843.

It is an arithmetic number, because the mean of its divisors is an integer number (26046405626166).

Almost surely, 2231513523312010 is an apocalyptic number.

231513523312010 is a deficient number, since it is larger than the sum of its proper divisors (185228966706646).

231513523312010 is a wasteful number, since it uses less digits than its factorization.

231513523312010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008225397.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 231513523312010 its reverse (10213325315132), we get a palindrome (241726848627142).

The spelling of 231513523312010 in words is "two hundred thirty-one trillion, five hundred thirteen billion, five hundred twenty-three million, three hundred twelve thousand, ten".

Divisors: 1 2 5 10 22963 45926 114815 229630 1008202427 2016404854 5041012135 10082024270 23151352331201 46302704662402 115756761656005 231513523312010