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20127205052013 = 341163635813431
BaseRepresentation
bin1001001001110001110101…
…11010000100111001101101
32122021010211112012200102110
410210320322322010321231
510114231003443131023
6110450151011514233
74145066622101553
oct444707272047155
978233745180373
1020127205052013
11645a99959a3a4
1223109542b8979
13b2ccab109997
144d823a459bd3
1524d84c65ba93
hex124e3ae84e6d

20127205052013 has 8 divisors (see below), whose sum is σ = 27490816656576. Its totient is φ = 13090865074400.

The previous prime is 20127205051991. The next prime is 20127205052063. The reversal of 20127205052013 is 31025050272102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20127205052013 - 26 = 20127205051949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20127205052063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81817906593 + ... + 81817906838.

It is an arithmetic number, because the mean of its divisors is an integer number (3436352082072).

Almost surely, 220127205052013 is an apocalyptic number.

It is an amenable number.

20127205052013 is a deficient number, since it is larger than the sum of its proper divisors (7363611604563).

20127205052013 is a wasteful number, since it uses less digits than its factorization.

20127205052013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163635813475.

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 20127205052013 in words is "twenty trillion, one hundred twenty-seven billion, two hundred five million, fifty-two thousand, thirteen".

Divisors: 1 3 41 123 163635813431 490907440293 6709068350671 20127205052013