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71274088912 = 2413342663889
BaseRepresentation
bin100001001100001000…
…1000100100111010000
320210222012202212021211
41002120101010213100
52131432131321122
652424243025504
75102144521405
oct1023021044720
9223865685254
1071274088912
1128255401a14
121199166b294
13694b3ac810
143641d102ac
151cc23d3877
hex10984449d0

71274088912 has 20 divisors (see below), whose sum is σ = 148716128260. Its totient is φ = 32895733248.

The previous prime is 71274088909. The next prime is 71274088937. The reversal of 71274088912 is 21988047217.

It can be written as a sum of positive squares in 2 ways, for example, as 6042885696 + 65231203216 = 77736^2 + 255404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171331737 + ... + 171332152.

It is an arithmetic number, because the mean of its divisors is an integer number (7435806413).

Almost surely, 271274088912 is an apocalyptic number.

It is an amenable number.

71274088912 is an abundant number, since it is smaller than the sum of its proper divisors (77442039348).

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

71274088912 is a wasteful number, since it uses less digits than its factorization.

71274088912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342663910 (or 342663904 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 49.

The spelling of 71274088912 in words is "seventy-one billion, two hundred seventy-four million, eighty-eight thousand, nine hundred twelve".

Divisors: 1 2 4 8 13 16 26 52 104 208 342663889 685327778 1370655556 2741311112 4454630557 5482622224 8909261114 17818522228 35637044456 71274088912