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6999425925480 = 23335315919717987
BaseRepresentation
bin110010111011010111001…
…0010111100000101101000
3220210010202000201222012000
41211312232102330011220
51404134311014103410
622515254125051000
71321456204466442
oct145665622740550
926703660658160
106999425925480
11225949250769a
129506516b6a60
133ba073709271
141a2ab9cbb492
15c2110102dc0
hex65dae4bc168

6999425925480 has 512 divisors, whose sum is σ = 24617945088000. Its totient is φ = 1766576286720.

The previous prime is 6999425925451. The next prime is 6999425925493. The reversal of 6999425925480 is 845295249996.

6999425925480 is a `hidden beast` number, since 6 + 9 + 9 + 94 + 2 + 59 + 2 + 5 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 6999425925399 and 6999425925408.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 389129047 + ... + 389147033.

It is an arithmetic number, because the mean of its divisors is an integer number (48081924000).

Almost surely, 26999425925480 is an apocalyptic number.

6999425925480 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 6999425925480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12308972544000).

6999425925480 is an abundant number, since it is smaller than the sum of its proper divisors (17618519162520).

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

6999425925480 is a wasteful number, since it uses less digits than its factorization.

6999425925480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18294 (or 18284 counting only the distinct ones).

The product of its (nonzero) digits is 503884800, while the sum is 72.

The spelling of 6999425925480 in words is "six trillion, nine hundred ninety-nine billion, four hundred twenty-five million, nine hundred twenty-five thousand, four hundred eighty".