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231095800992 = 25374773113887
BaseRepresentation
bin1101011100111001100…
…0100001010010100000
3211002111110112001020110
43113032120201102200
512241241011112432
6254055225011320
722460524616640
oct3271630412240
9732443461213
10231095800992
118a009611791
1238955623b40
1318a3b724914
14b283c94520
1560283a4dcc
hex35ce6214a0

231095800992 has 384 divisors, whose sum is σ = 724905345024. Its totient is φ = 63102025728.

The previous prime is 231095800981. The next prime is 231095801009. The reversal of 231095800992 is 299008590132.

It is a super-2 number, since 2×2310958009922 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 260535973 + ... + 260536859.

It is an arithmetic number, because the mean of its divisors is an integer number (1887774336).

Almost surely, 2231095800992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231095800992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362452672512).

231095800992 is an abundant number, since it is smaller than the sum of its proper divisors (493809544032).

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

231095800992 is a wasteful number, since it uses less digits than its factorization.

231095800992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 48.

The spelling of 231095800992 in words is "two hundred thirty-one billion, ninety-five million, eight hundred thousand, nine hundred ninety-two".