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18271072144182 = 23111321294955879
BaseRepresentation
bin1000010011110000100001…
…10000111100101100110110
32101200200211102200100101110
410021320100300330230312
54343323123432103212
6102505340433535450
73564020125515144
oct411702060745466
971620742610343
1018271072144182
1159047999992a0
122071081114586
13a26c54662b20
14472478a32594
1521a414b20a3c
hex109e10c3cb36

18271072144182 has 32 divisors (see below), whose sum is σ = 42930631054080. Its totient is φ = 5110789410720.

The previous prime is 18271072144163. The next prime is 18271072144201. The reversal of 18271072144182 is 28144127017281.

It is an interprime number because it is at equal distance from previous prime (18271072144163) and next prime (18271072144201).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10647477082 + ... + 10647478797.

It is an arithmetic number, because the mean of its divisors is an integer number (1341582220440).

Almost surely, 218271072144182 is an apocalyptic number.

18271072144182 is an abundant number, since it is smaller than the sum of its proper divisors (24659558909898).

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

18271072144182 is a wasteful number, since it uses less digits than its factorization.

18271072144182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21294955908.

The product of its (nonzero) digits is 401408, while the sum is 48.

The spelling of 18271072144182 in words is "eighteen trillion, two hundred seventy-one billion, seventy-two million, one hundred forty-four thousand, one hundred eighty-two".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 143 286 429 858 21294955879 42589911758 63884867637 127769735274 234244514669 276834426427 468489029338 553668852854 702733544007 830503279281 1405467088014 1661006558562 3045178690697 6090357381394 9135536072091 18271072144182