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87398483013 = 329710942557
BaseRepresentation
bin101000101100101011…
…0110000010001000101
322100120221122221201100
41101121112300101011
52412443002424023
6104052244450313
76212546563632
oct1213126602105
9270527587640
1087398483013
113407a18a956
1214b316a9999
13831ab6aa0a
1443315c3189
152417c9bc43
hex14595b0445

87398483013 has 6 divisors (see below), whose sum is σ = 126242253254. Its totient is φ = 58265655336.

The previous prime is 87398482999. The next prime is 87398483069. The reversal of 87398483013 is 31038489378.

87398483013 is a `hidden beast` number, since 8 + 73 + 98 + 483 + 0 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 78535578564 + 8862904449 = 280242^2 + 94143^2 .

It is not a de Polignac number, because 87398483013 - 26 = 87398482949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87398483093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4855471270 + ... + 4855471287.

Almost surely, 287398483013 is an apocalyptic number.

It is an amenable number.

87398483013 is a deficient number, since it is larger than the sum of its proper divisors (38843770241).

87398483013 is a wasteful number, since it uses less digits than its factorization.

87398483013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9710942563 (or 9710942560 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 87398483013 in words is "eighty-seven billion, three hundred ninety-eight million, four hundred eighty-three thousand, thirteen".

Divisors: 1 3 9 9710942557 29132827671 87398483013