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679538611904 = 2631342509381
BaseRepresentation
bin10011110001101111010…
…10000101011011000000
32101222000012210012000012
421320313222011123000
542113143341040104
61240101542444052
7100044412616555
oct11706752053300
92358005705005
10679538611904
112422109159a9
12ab848133628
134c107308cc9
1424c65a38a2c
1512a22a9dd6e
hex9e37a856c0

679538611904 has 28 divisors (see below), whose sum is σ = 1391958128448. Its totient is φ = 328809004800.

The previous prime is 679538611903. The next prime is 679538611907. The reversal of 679538611904 is 409116835976.

It is not an unprimeable number, because it can be changed into a prime (679538611901) by changing a digit.

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, 171252707 + ... + 171256674.

Almost surely, 2679538611904 is an apocalyptic number.

679538611904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

679538611904 is an abundant number, since it is smaller than the sum of its proper divisors (712419516544).

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

679538611904 is a wasteful number, since it uses less digits than its factorization.

679538611904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342509424 (or 342509414 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 679538611904 in words is "six hundred seventy-nine billion, five hundred thirty-eight million, six hundred eleven thousand, nine hundred four".

Divisors: 1 2 4 8 16 31 32 62 64 124 248 496 992 1984 342509381 685018762 1370037524 2740075048 5480150096 10617790811 10960300192 21235581622 21920600384 42471163244 84942326488 169884652976 339769305952 679538611904