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127864423061816 = 2372283293268961
BaseRepresentation
bin11101000100101011000001…
…100001000001100100111000
3121202201201102111020101012212
4131010223001201001210320
5113224412314300434231
61131540034404354252
735634620413223150
oct3504530141014470
9552651374211185
10127864423061816
1137817aa74440a1
1212410b946a5988
135646742907a8c
1423809576bd760
15ebb0a8d3b42b
hex744ac1841938

127864423061816 has 16 divisors (see below), whose sum is σ = 273995192275440. Its totient is φ = 54799038455040.

The previous prime is 127864423061783. The next prime is 127864423061833. The reversal of 127864423061816 is 618160324468721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141646634425 + ... + 1141646634536.

It is an arithmetic number, because the mean of its divisors is an integer number (17124699517215).

Almost surely, 2127864423061816 is an apocalyptic number.

It is an amenable number.

127864423061816 is an abundant number, since it is smaller than the sum of its proper divisors (146130769213624).

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

127864423061816 is a wasteful number, since it uses less digits than its factorization.

127864423061816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283293268974 (or 2283293268970 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 59.

The spelling of 127864423061816 in words is "one hundred twenty-seven trillion, eight hundred sixty-four billion, four hundred twenty-three million, sixty-one thousand, eight hundred sixteen".

Divisors: 1 2 4 7 8 14 28 56 2283293268961 4566586537922 9133173075844 15983052882727 18266346151688 31966105765454 63932211530908 127864423061816