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85043847483831 = 31072377271141113
BaseRepresentation
bin10011010101100011010000…
…010100011101000110110111
3102011010010000221202010010210
4103111203100110131012313
542121324244423440311
6500512334300520503
723625133551260355
oct2325432024350667
9364103027663123
1085043847483831
11251089908a8245
129656098550133
13385b7a612a192
1417002038ba7d5
159c72bb7dc3a6
hex4d58d051d1b7

85043847483831 has 32 divisors (see below), whose sum is σ = 114544703881728. Its totient is φ = 56120326986240.

The previous prime is 85043847483731. The next prime is 85043847483857. The reversal of 85043847483831 is 13838474834058.

It is not a de Polignac number, because 85043847483831 - 211 = 85043847481783 is a prime.

It is a super-2 number, since 2×850438474838312 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85043847483731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2068518531 + ... + 2068559643.

It is an arithmetic number, because the mean of its divisors is an integer number (3579521996304).

Almost surely, 285043847483831 is an apocalyptic number.

85043847483831 is a deficient number, since it is larger than the sum of its proper divisors (29500856397897).

85043847483831 is a wasteful number, since it uses less digits than its factorization.

85043847483831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46311.

The product of its (nonzero) digits is 247726080, while the sum is 66.

The spelling of 85043847483831 in words is "eighty-five trillion, forty-three billion, eight hundred forty-seven million, four hundred eighty-three thousand, eight hundred thirty-one".

Divisors: 1 3 107 321 2377 2711 7131 8133 41113 123339 254339 290077 763017 870231 4399091 6444047 13197273 19332141 97725601 111457343 293176803 334372029 689513029 2068539087 10456639307 11925935701 31369917921 35777807103 264934104311 794802312933 28347949161277 85043847483831