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172288882271 = 11192832912893
BaseRepresentation
bin1010000001110100110…
…1111011011001011111
3121110201002221001022202
42200131031323121133
510310321423213041
6211052020402115
715306323223212
oct2403515733137
9543632831282
10172288882271
1167081645310
122948324633b
13133292089ac
1484a5a4d779
154735772a9b
hex281d37b65f

172288882271 has 16 divisors (see below), whose sum is σ = 198542855040. Its totient is φ = 147858397920.

The previous prime is 172288882201. The next prime is 172288882307.

172288882271 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 172288882271 - 226 = 172221773407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172288882201) 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, 1397300 + ... + 1515593.

It is an arithmetic number, because the mean of its divisors is an integer number (12408928440).

Almost surely, 2172288882271 is an apocalyptic number.

172288882271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

172288882271 is a deficient number, since it is larger than the sum of its proper divisors (26253972769).

172288882271 is a wasteful number, since it uses less digits than its factorization.

172288882271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913206.

The product of its digits is 3211264, while the sum is 56.

The spelling of 172288882271 in words is "one hundred seventy-two billion, two hundred eighty-eight million, eight hundred eighty-two thousand, two hundred seventy-one".

Divisors: 1 11 19 209 283 3113 5377 59147 2912893 32041823 55344967 608794637 824348719 9067835909 15662625661 172288882271