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680140073475 = 32525386366089
BaseRepresentation
bin10011110010110111000…
…00011110101000000011
32102000120010112121011200
421321123200132220003
542120411324322400
61240241350112243
7100065335144052
oct11713340365003
92360503477150
10680140073475
1124249a381985
12ab99564b683
134c1a1ac6c25
1424cc1882399
1512a5a7a9b00
hex9e5b81ea03

680140073475 has 72 divisors (see below), whose sum is σ = 1242648501120. Its totient is φ = 355479421440.

The previous prime is 680140073461. The next prime is 680140073477. The reversal of 680140073475 is 574370041086.

It is not a de Polignac number, because 680140073475 - 212 = 680140069379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 680140073475.

It is not an unprimeable number, because it can be changed into a prime (680140073477) 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 71 ways as a sum of consecutive naturals, for example, 10258231 + ... + 10324319.

It is an arithmetic number, because the mean of its divisors is an integer number (17259006960).

Almost surely, 2680140073475 is an apocalyptic number.

680140073475 is a deficient number, since it is larger than the sum of its proper divisors (562508427645).

680140073475 is a wasteful number, since it uses less digits than its factorization.

680140073475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67021 (or 67013 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 680140073475 in words is "six hundred eighty billion, one hundred forty million, seventy-three thousand, four hundred seventy-five".

Divisors: 1 3 5 9 15 25 45 53 75 159 225 265 477 795 863 1325 2385 2589 3975 4315 7767 11925 12945 21575 38835 45739 64725 66089 137217 194175 198267 228695 330445 411651 594801 686085 991335 1143475 1652225 2058255 2974005 3430425 3502717 4956675 10291275 10508151 14870025 17513585 31524453 52540755 57034807 87567925 157622265 171104421 262703775 285174035 513313263 788111325 855522105 1425870175 2566566315 3022844771 4277610525 9068534313 12832831575 15114223855 27205602939 45342671565 75571119275 136028014695 226713357825 680140073475