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9982631771 = 72532338273
BaseRepresentation
bin10010100110000001…
…01101111101011011
3221202201002020101122
421103000231331123
5130421023204041
64330322235455
7502243653500
oct112300557533
927681066348
109982631771
114262a32002
121b271b5b8b
13c31218c08
146a9b214a7
153d65cbc4b
hex25302df5b

9982631771 has 12 divisors (see below), whose sum is σ = 11614934232. Its totient is φ = 8554710528.

The previous prime is 9982631759. The next prime is 9982631777. The reversal of 9982631771 is 1771362899.

It is not a de Polignac number, because 9982631771 - 26 = 9982631707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9982631777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241691 + ... + 279963.

It is an arithmetic number, because the mean of its divisors is an integer number (967911186).

Almost surely, 29982631771 is an apocalyptic number.

9982631771 is a deficient number, since it is larger than the sum of its proper divisors (1632302461).

9982631771 is a wasteful number, since it uses less digits than its factorization.

9982631771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43610 (or 43603 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 53.

The square root of 9982631771 is about 99913.1211152970. The cubic root of 9982631771 is about 2153.1866767247.

The spelling of 9982631771 in words is "nine billion, nine hundred eighty-two million, six hundred thirty-one thousand, seven hundred seventy-one".

Divisors: 1 7 49 5323 37261 38273 260827 267911 1875377 203727179 1426090253 9982631771