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9979803294 = 23139106311257
BaseRepresentation
bin10010100101101011…
…11011011010011110
3221202111202112110020
421102311323122132
5130414312201134
64330141453010
7502210633266
oct112265733236
927674675406
109979803294
11426137aa1a
121b26271166
13c30768666
146a95c67a6
153d621db49
hex252d7b69e

9979803294 has 32 divisors (see below), whose sum is σ = 20123900160. Its totient is φ = 3299268672.

The previous prime is 9979803277. The next prime is 9979803299. The reversal of 9979803294 is 4923089799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9979803299) 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, 880914 + ... + 892170.

It is an arithmetic number, because the mean of its divisors is an integer number (628871880).

Almost surely, 29979803294 is an apocalyptic number.

9979803294 is an abundant number, since it is smaller than the sum of its proper divisors (10144096866).

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

9979803294 is a wasteful number, since it uses less digits than its factorization.

9979803294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12464.

The product of its (nonzero) digits is 8817984, while the sum is 60.

The square root of 9979803294 is about 99898.9654300784. The cubic root of 9979803294 is about 2152.9832963462.

The spelling of 9979803294 in words is "nine billion, nine hundred seventy-nine million, eight hundred three thousand, two hundred ninety-four".

Divisors: 1 2 3 6 139 278 417 834 1063 2126 3189 6378 11257 22514 33771 67542 147757 295514 443271 886542 1564723 3129446 4694169 9388338 11966191 23932382 35898573 71797146 1663300549 3326601098 4989901647 9979803294