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20086498913 = 133783503131
BaseRepresentation
bin10010101101001111…
…111010011001100001
31220211212021212110012
4102231033322121201
5312114120431123
613121055214305
71310522265215
oct225517723141
956755255405
1020086498913
118578339a28
123a86b17395
131b815a2120
14d879a0945
157c8655378
hex4ad3fa661

20086498913 has 16 divisors (see below), whose sum is σ = 22483962816. Its totient is φ = 17822877120.

The previous prime is 20086498879. The next prime is 20086498933. The reversal of 20086498913 is 31989468002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20086498913 - 26 = 20086498849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20086498933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211643 + ... + 291488.

It is an arithmetic number, because the mean of its divisors is an integer number (1405247676).

Almost surely, 220086498913 is an apocalyptic number.

It is an amenable number.

20086498913 is a deficient number, since it is larger than the sum of its proper divisors (2397463903).

20086498913 is a wasteful number, since it uses less digits than its factorization.

20086498913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503264.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 20086498913 in words is "twenty billion, eighty-six million, four hundred ninety-eight thousand, nine hundred thirteen".

Divisors: 1 13 37 83 481 1079 3071 39923 503131 6540703 18615847 41759873 242006011 542878349 1545115301 20086498913