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9981195752 = 2311113422679
BaseRepresentation
bin10010100101110110…
…01111010111101000
3221202121101021112202
421102323033113220
5130420141231002
64330231355332
7502225523033
oct112273172750
927677337482
109981195752
114262141110
121b26822b48
13c30b353b8
146a986a01a
153d63e6502
hex252ecf5e8

9981195752 has 16 divisors (see below), whose sum is σ = 20416082400. Its totient is φ = 4536907120.

The previous prime is 9981195743. The next prime is 9981195761. The reversal of 9981195752 is 2575911899.

It is an interprime number because it is at equal distance from previous prime (9981195743) and next prime (9981195761).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56711252 + ... + 56711427.

It is an arithmetic number, because the mean of its divisors is an integer number (1276005150).

Almost surely, 29981195752 is an apocalyptic number.

It is an amenable number.

9981195752 is an abundant number, since it is smaller than the sum of its proper divisors (10434886648).

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

9981195752 is a wasteful number, since it uses less digits than its factorization.

9981195752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113422696 (or 113422692 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 56.

The square root of 9981195752 is about 99905.9345184259. The cubic root of 9981195752 is about 2153.0834252200.

The spelling of 9981195752 in words is "nine billion, nine hundred eighty-one million, one hundred ninety-five thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 113422679 226845358 453690716 907381432 1247649469 2495298938 4990597876 9981195752