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102143244171601 = 571178884840931
BaseRepresentation
bin10111001110011000010011…
…110010001111100101010001
3111101122210120022100020210201
4113032120103302033211101
5101342003331001442401
61001123543015255201
730341414545051003
oct2716302362174521
9441583508306721
10102143244171601
112a600785514256
12b55806597a501
1344cc0b3405369
141b31a8bad6373
15bc1ea81e4b01
hex5ce613c8f951

102143244171601 has 4 divisors (see below), whose sum is σ = 102322129013104. Its totient is φ = 101964359330100.

The previous prime is 102143244171599. The next prime is 102143244171613. The reversal of 102143244171601 is 106171442341201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102143244171601 - 21 = 102143244171599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102143244171691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89442419895 + ... + 89442421036.

It is an arithmetic number, because the mean of its divisors is an integer number (25580532253276).

Almost surely, 2102143244171601 is an apocalyptic number.

It is an amenable number.

102143244171601 is a deficient number, since it is larger than the sum of its proper divisors (178884841503).

102143244171601 is an equidigital number, since it uses as much as digits as its factorization.

102143244171601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178884841502.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 102143244171601 in words is "one hundred two trillion, one hundred forty-three billion, two hundred forty-four million, one hundred seventy-one thousand, six hundred one".

Divisors: 1 571 178884840931 102143244171601