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9688745982 = 234378747717
BaseRepresentation
bin10010000010111111…
…01000011111111110
3221000020002021212210
421001133220133332
5124320304332412
64241223241250
7462044660556
oct110137503776
927006067783
109688745982
114122054293
121a648a9226
13bb537c0b6
1467caa0166
153ba8c983c
hex2417e87fe

9688745982 has 32 divisors (see below), whose sum is σ = 19853741952. Its totient is φ = 3150401184.

The previous prime is 9688745977. The next prime is 9688745993. The reversal of 9688745982 is 2895478869.

It is a super-2 number, since 2×96887459822 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179188 + ... + 226904.

It is an arithmetic number, because the mean of its divisors is an integer number (620429436).

Almost surely, 29688745982 is an apocalyptic number.

9688745982 is an abundant number, since it is smaller than the sum of its proper divisors (10164995970).

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

9688745982 is a wasteful number, since it uses less digits than its factorization.

9688745982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48552.

The product of its digits is 69672960, while the sum is 66.

The square root of 9688745982 is about 98431.4278165262. The cubic root of 9688745982 is about 2131.8461355555.

The spelling of 9688745982 in words is "nine billion, six hundred eighty-eight million, seven hundred forty-five thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 43 86 129 258 787 1574 2361 4722 33841 47717 67682 95434 101523 143151 203046 286302 2051831 4103662 6155493 12310986 37553279 75106558 112659837 225319674 1614790997 3229581994 4844372991 9688745982