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6651055601057 = 72854391588687
BaseRepresentation
bin110000011001001000111…
…0011100111010110100001
3212112211112111111212102202
41200302101303213112201
51332432330213213212
622051241444022545
71254344233546100
oct140622163472641
925484474455382
106651055601057
11213477354876a
128b5029091a55
13393265663b1a
1418dcaca66037
15b80211b10c2
hex60c91ce75a1

6651055601057 has 12 divisors (see below), whose sum is σ = 7737037655040. Its totient is φ = 5700834487656.

The previous prime is 6651055601033. The next prime is 6651055601129. The reversal of 6651055601057 is 7501065501566.

It is a de Polignac number, because none of the positive numbers 2k-6651055601057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6651055601557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3392168 + ... + 4980854.

It is an arithmetic number, because the mean of its divisors is an integer number (644753137920).

Almost surely, 26651055601057 is an apocalyptic number.

It is an amenable number.

6651055601057 is a deficient number, since it is larger than the sum of its proper divisors (1085982053983).

6651055601057 is a wasteful number, since it uses less digits than its factorization.

6651055601057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674140 (or 1674133 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 47.

The spelling of 6651055601057 in words is "six trillion, six hundred fifty-one billion, fifty-five million, six hundred one thousand, fifty-seven".

Divisors: 1 7 49 85439 598073 1588687 4186511 11120809 77845663 135735828593 950150800151 6651055601057