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48891811836 = 223729311031801
BaseRepresentation
bin101101100010001011…
…011101011111111100
311200012100120101020210
4231202023131133330
51300112300434321
634243253112420
73350404354320
oct554213353774
9150170511223
1048891811836
111980a17596a
129585928710
1347c22b309a
14251b49d980
151412442b76
hexb622dd7fc

48891811836 has 96 divisors (see below), whose sum is σ = 131014453248. Its totient is φ = 13901068800.

The previous prime is 48891811777. The next prime is 48891811879. The reversal of 48891811836 is 63811819884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27146136 + ... + 27147936.

It is an arithmetic number, because the mean of its divisors is an integer number (1364733888).

Almost surely, 248891811836 is an apocalyptic number.

It is an amenable number.

48891811836 is an abundant number, since it is smaller than the sum of its proper divisors (82122641412).

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

48891811836 is a wasteful number, since it uses less digits than its factorization.

48891811836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211 (or 3209 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 57.

The spelling of 48891811836 in words is "forty-eight billion, eight hundred ninety-one million, eight hundred eleven thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 293 586 879 1103 1172 1758 1801 2051 2206 3309 3516 3602 4102 4412 5403 6153 6618 7204 7721 8204 10806 12306 12607 13236 15442 21612 23163 24612 25214 30884 37821 46326 50428 75642 92652 151284 323179 527693 646358 969537 1055386 1292716 1583079 1939074 1986503 2110772 2262253 3166158 3693851 3878148 3973006 4524506 5959509 6332316 6786759 7387702 7946012 9049012 11081553 11919018 13573518 13905521 14775404 22163106 23838036 27147036 27811042 41716563 44326212 55622084 83433126 166866252 582045379 1164090758 1746136137 2328181516 3492272274 4074317653 6984544548 8148635306 12222952959 16297270612 24445905918 48891811836