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13726007898 = 2343212924989
BaseRepresentation
bin11001100100010001…
…00100001001011010
31022102120220110001220
430302020210021122
5211102324223043
610150003552510
7664100066511
oct146210441132
938376813056
1013726007898
115903a78989
1227b098b736
1313a9918c85
14942d53678
15555060483
hex33222425a

13726007898 has 32 divisors (see below), whose sum is σ = 28104753600. Its totient is φ = 4466654976.

The previous prime is 13726007891. The next prime is 13726007909. The reversal of 13726007898 is 89870062731.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13726007898.

It is not an unprimeable number, because it can be changed into a prime (13726007891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536788 + ... + 561776.

It is an arithmetic number, because the mean of its divisors is an integer number (878273550).

Almost surely, 213726007898 is an apocalyptic number.

13726007898 is an abundant number, since it is smaller than the sum of its proper divisors (14378745702).

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

13726007898 is a wasteful number, since it uses less digits than its factorization.

13726007898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27166.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 13726007898 in words is "thirteen billion, seven hundred twenty-six million, seven thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 43 86 129 258 2129 4258 6387 12774 24989 49978 74967 91547 149934 183094 274641 549282 1074527 2149054 3223581 6447162 53201581 106403162 159604743 319209486 2287667983 4575335966 6863003949 13726007898