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139747243804 = 22729172102517
BaseRepresentation
bin1000001000100110010…
…1011011011100011100
3111100201020002112102121
42002021211123130130
54242200243300204
6144110552232324
713045031654530
oct2021145333434
9440636075377
10139747243804
11542a2748723
122310109b6a4
13102413c5c0c
146a99c35bc0
15397d945b54
hex208995b71c

139747243804 has 24 divisors (see below), whose sum is σ = 289132230240. Its totient is φ = 57826445376.

The previous prime is 139747243799. The next prime is 139747243813. The reversal of 139747243804 is 408342747931.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 86050447 + ... + 86052070.

It is an arithmetic number, because the mean of its divisors is an integer number (12047176260).

Almost surely, 2139747243804 is an apocalyptic number.

139747243804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

139747243804 is an abundant number, since it is smaller than the sum of its proper divisors (149384986436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139747243804 is a wasteful number, since it uses less digits than its factorization.

139747243804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172102557 (or 172102555 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 139747243804 in words is "one hundred thirty-nine billion, seven hundred forty-seven million, two hundred forty-three thousand, eight hundred four".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 172102517 344205034 688410068 1204717619 2409435238 4818870476 4990972993 9981945986 19963891972 34936810951 69873621902 139747243804