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679990671360 = 2113657211132
BaseRepresentation
bin10011110010100101001…
…10100011100000000000
32102000011201102012000000
421321102212203200000
542120110102440420
61240214452000000
7100061542224300
oct11712246434000
92360151365000
10679990671360
11242423008960
12ab953600000
134c179b77200
1424ca9ab1600
1512a4c5e7690
hex9e529a3800

679990671360 has 3024 divisors, whose sum is σ = 3361495311720. Its totient is φ = 130427781120.

The previous prime is 679990671359. The next prime is 679990671383. The reversal of 679990671360 is 63176099976.

It is a tau number, because it is divible by the number of its divisors (3024).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 251 ways as a sum of consecutive naturals, for example, 52306974714 + ... + 52306974726.

Almost surely, 2679990671360 is an apocalyptic number.

679990671360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679990671360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680747655860).

679990671360 is an abundant number, since it is smaller than the sum of its proper divisors (2681504640360).

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

679990671360 is a wasteful number, since it uses less digits than its factorization.

679990671360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 23147208, while the sum is 63.

The spelling of 679990671360 in words is "six hundred seventy-nine billion, nine hundred ninety million, six hundred seventy-one thousand, three hundred sixty".