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680578459383 = 31495711266599
BaseRepresentation
bin10011110011101011010…
…00110010011011110111
32102001200200102220120210
421321311220302123313
542122311041200013
61240353050200503
7100112240312064
oct11716550623367
92361620386523
10680578459383
112426a4885789
12aba98423133
134c241888484
1424d23b99c6b
1512a84001cc3
hex9e75a326f7

680578459383 has 16 divisors (see below), whose sum is σ = 913691520000. Its totient is φ = 450593275680.

The previous prime is 680578459349. The next prime is 680578459399. The reversal of 680578459383 is 383954875086.

It is not a de Polignac number, because 680578459383 - 224 = 680561682167 is a prime.

It is a super-2 number, since 2×6805784593832 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680578455383) 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, 2419518 + ... + 2686116.

It is an arithmetic number, because the mean of its divisors is an integer number (57105720000).

Almost surely, 2680578459383 is an apocalyptic number.

680578459383 is a deficient number, since it is larger than the sum of its proper divisors (233113060617).

680578459383 is a wasteful number, since it uses less digits than its factorization.

680578459383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272462.

The product of its (nonzero) digits is 174182400, while the sum is 66.

The spelling of 680578459383 in words is "six hundred eighty billion, five hundred seventy-eight million, four hundred fifty-nine thousand, three hundred eighty-three".

Divisors: 1 3 149 447 5711 17133 266599 799797 850939 2552817 39723251 119169753 1522546889 4567640667 226859486461 680578459383