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63831170741 = 134910090057
BaseRepresentation
bin111011011100101000…
…100101111010110101
320002202111121102222212
4323130220211322311
52021211234430431
645153523303205
74416536666462
oct733450457265
9202674542885
1063831170741
1125086039378
1210454b1ab05
1360333b9420
14313761a669
1519d8c7972b
hexedca25eb5

63831170741 has 4 divisors (see below), whose sum is σ = 68741260812. Its totient is φ = 58921080672.

The previous prime is 63831170729. The next prime is 63831170797. The reversal of 63831170741 is 14707113836.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14044620100 + 49786550641 = 118510^2 + 223129^2 .

It is a cyclic number.

It is not a de Polignac number, because 63831170741 - 214 = 63831154357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63831190741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2455045016 + ... + 2455045041.

It is an arithmetic number, because the mean of its divisors is an integer number (17185315203).

Almost surely, 263831170741 is an apocalyptic number.

It is an amenable number.

63831170741 is a deficient number, since it is larger than the sum of its proper divisors (4910090071).

63831170741 is a wasteful number, since it uses less digits than its factorization.

63831170741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910090070.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 63831170741 in words is "sixty-three billion, eight hundred thirty-one million, one hundred seventy thousand, seven hundred forty-one".

Divisors: 1 13 4910090057 63831170741