Base | Representation |
---|---|
bin | 100001001100001000… |
… | …1000100100111010000 |
3 | 20210222012202212021211 |
4 | 1002120101010213100 |
5 | 2131432131321122 |
6 | 52424243025504 |
7 | 5102144521405 |
oct | 1023021044720 |
9 | 223865685254 |
10 | 71274088912 |
11 | 28255401a14 |
12 | 1199166b294 |
13 | 694b3ac810 |
14 | 3641d102ac |
15 | 1cc23d3877 |
hex | 10984449d0 |
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".
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