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676685684408260 = 225143969323501041
BaseRepresentation
bin1001100111011100010010100…
…1110101111111111111000100
310021201221112000211020111002111
42121313010221311333333010
51202143304240202031020
610355105040055350404
7262350633036604012
oct23167045165777704
93251845024214074
10676685684408260
1118668187276415a
1263a8a276682404
13230772562048b7
14bd15a9483d8b2
155337233031d5a
hex2677129d7ffc4

676685684408260 has 24 divisors (see below), whose sum is σ = 1421040984768216. Its totient is φ = 270674074237440.

The previous prime is 676685684408221. The next prime is 676685684408303. The reversal of 676685684408260 is 62804486586676.

It can be written as a sum of positive squares in 4 ways, for example, as 422283758607936 + 254401925800324 = 20549544^2 + 15949982^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17043340 + ... + 40544380.

It is an arithmetic number, because the mean of its divisors is an integer number (59210041032009).

Almost surely, 2676685684408260 is an apocalyptic number.

It is an amenable number.

676685684408260 is an abundant number, since it is smaller than the sum of its proper divisors (744355300359956).

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

676685684408260 is a wasteful number, since it uses less digits than its factorization.

676685684408260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24940743 (or 24940741 counting only the distinct ones).

The product of its (nonzero) digits is 4459069440, while the sum is 76.

The spelling of 676685684408260 in words is "six hundred seventy-six trillion, six hundred eighty-five billion, six hundred eighty-four million, four hundred eight thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 1439693 2879386 5758772 7198465 14396930 23501041 28793860 47002082 94004164 117505205 235010410 470020820 33834284220413 67668568440826 135337136881652 169171421102065 338342842204130 676685684408260