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51307827202 = 2191669808991
BaseRepresentation
bin101111110010001011…
…110101000000000010
311220102201201200021101
4233302023311000002
51320034300432302
635323120445014
73464312223022
oct576213650002
9156381650241
1051307827202
111a839a26a85
129b3aa7976a
134ab89b8588
1426aa2cba82
1515045ce287
hexbf22f5002

51307827202 has 16 divisors (see below), whose sum is σ = 81060998400. Its totient is φ = 24289115760.

The previous prime is 51307827167. The next prime is 51307827217. The reversal of 51307827202 is 20272870315.

It is a super-2 number, since 2×513078272022 (a number of 22 digits) contains 22 as substring.

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, 341074 + ... + 467917.

It is an arithmetic number, because the mean of its divisors is an integer number (5066312400).

Almost surely, 251307827202 is an apocalyptic number.

51307827202 is a deficient number, since it is larger than the sum of its proper divisors (29753171198).

51307827202 is a wasteful number, since it uses less digits than its factorization.

51307827202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810681.

The product of its (nonzero) digits is 47040, while the sum is 37.

It can be divided in two parts, 513078 and 27202, that added together give a triangular number (540280 = T1039).

The spelling of 51307827202 in words is "fifty-one billion, three hundred seven million, eight hundred twenty-seven thousand, two hundred two".

Divisors: 1 2 19 38 1669 3338 31711 63422 808991 1617982 15370829 30741658 1350205979 2700411958 25653913601 51307827202