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83752890171 = 3122173228509
BaseRepresentation
bin100111000000000001…
…1111010111100111011
322000011212211122111020
41032000003322330323
52333011214441141
6102250415033523
76023321551236
oct1160003727473
9260155748436
1083752890171
1132579361005
121429480b8a3
137b897b64a2
1440a736641d
1522a2bd1266
hex13800faf3b

83752890171 has 8 divisors (see below), whose sum is σ = 111671922960. Its totient is φ = 55834558752.

The previous prime is 83752890157. The next prime is 83752890173. The reversal of 83752890171 is 17109825738.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83752890171 - 26 = 83752890107 is a prime.

It is a super-2 number, since 2×837528901712 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83752890173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252265 + ... + 480773.

It is an arithmetic number, because the mean of its divisors is an integer number (13958990370).

Almost surely, 283752890171 is an apocalyptic number.

83752890171 is a deficient number, since it is larger than the sum of its proper divisors (27919032789).

83752890171 is a wasteful number, since it uses less digits than its factorization.

83752890171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350685.

The product of its (nonzero) digits is 846720, while the sum is 51.

The spelling of 83752890171 in words is "eighty-three billion, seven hundred fifty-two million, eight hundred ninety thousand, one hundred seventy-one".

Divisors: 1 3 122173 228509 366519 685527 27917630057 83752890171