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232540913831 = 3137832442631
BaseRepresentation
bin1101100010010010000…
…1001100000010100111
3211020020011202101101012
43120210201030002213
512302220433220311
6254454450452435
722541403103622
oct3304441140247
9736204671335
10232540913831
118a690313416
123909959411b
1318c0bc3a185
14b37db8adb9
1560b01ab78b
hex362484c0a7

232540913831 has 16 divisors (see below), whose sum is σ = 249500203008. Its totient is φ = 216319312800.

The previous prime is 232540913791. The next prime is 232540913833. The reversal of 232540913831 is 138319045232.

It is a cyclic number.

It is not a de Polignac number, because 232540913831 - 214 = 232540897447 is a prime.

It is a super-2 number, since 2×2325409138312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232540913833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1126115 + ... + 1316516.

It is an arithmetic number, because the mean of its divisors is an integer number (15593762688).

Almost surely, 2232540913831 is an apocalyptic number.

232540913831 is a deficient number, since it is larger than the sum of its proper divisors (16959289177).

232540913831 is a wasteful number, since it uses less digits than its factorization.

232540913831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442782.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 232540913831 in words is "two hundred thirty-two billion, five hundred forty million, nine hundred thirteen thousand, eight hundred thirty-one".

Divisors: 1 31 37 83 1147 2573 3071 95201 2442631 75721561 90377347 202738373 2801697757 6284889563 7501319801 232540913831