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8427964523 = 111722651137
BaseRepresentation
bin1111101100101100…
…01000100001101011
3210202100200221212012
413312112020201223
5114230024331043
63512144310135
7415565342066
oct76626104153
923670627765
108427964523
113635403540
12177261234b
13a440c6074
1459d46b8dd
15344d84a18
hex1f658886b

8427964523 has 12 divisors (see below), whose sum is σ = 9766792392. Its totient is φ = 7211089920.

The previous prime is 8427964507. The next prime is 8427964603. The reversal of 8427964523 is 3254697248.

It is not a de Polignac number, because 8427964523 - 24 = 8427964507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8427964423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1322390 + ... + 1328747.

It is an arithmetic number, because the mean of its divisors is an integer number (813899366).

Almost surely, 28427964523 is an apocalyptic number.

8427964523 is a deficient number, since it is larger than the sum of its proper divisors (1338827869).

8427964523 is a wasteful number, since it uses less digits than its factorization.

8427964523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651182 (or 2651165 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The square root of 8427964523 is about 91803.9461188897. The cubic root of 8427964523 is about 2035.0460117538.

The spelling of 8427964523 in words is "eight billion, four hundred twenty-seven million, nine hundred sixty-four thousand, five hundred twenty-three".

Divisors: 1 11 17 187 289 3179 2651137 29162507 45069329 495762619 766178593 8427964523