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102143244171577 = 7283279118474187
BaseRepresentation
bin10111001110011000010011…
…110010001111100100111001
3111101122210120022100020202211
4113032120103302033210321
5101342003331001442302
61001123543015255121
730341414545050640
oct2716302362174471
9441583508306684
10102143244171577
112a600785514234
12b55806597a4a1
1344cc0b340534b
141b31a8bad6357
15bc1ea81e4ad7
hex5ce613c8f939

102143244171577 has 16 divisors (see below), whose sum is σ = 117189607539712. Its totient is φ = 87210720366480.

The previous prime is 102143244171547. The next prime is 102143244171599. The reversal of 102143244171577 is 775171442341201.

It is a cyclic number.

It is not a de Polignac number, because 102143244171577 - 215 = 102143244138809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102143244171577.

It is not an unprimeable number, because it can be changed into a prime (102143244171547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3708123 + ... + 14766064.

It is an arithmetic number, because the mean of its divisors is an integer number (7324350471232).

Almost surely, 2102143244171577 is an apocalyptic number.

It is an amenable number.

102143244171577 is a deficient number, since it is larger than the sum of its proper divisors (15046363368135).

102143244171577 is a wasteful number, since it uses less digits than its factorization.

102143244171577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18477268.

The product of its (nonzero) digits is 1317120, while the sum is 49.

The spelling of 102143244171577 in words is "one hundred two trillion, one hundred forty-three billion, two hundred forty-four million, one hundred seventy-one thousand, five hundred seventy-seven".

Divisors: 1 7 283 1981 2791 19537 789853 5528971 18474187 129319309 5228194921 36597364447 51561455917 360930191419 14591892024511 102143244171577