Base | Representation |
---|---|
bin | 11000001010010101… |
… | …01110010110010000 |
3 | 1020111000100111221210 |
4 | 30011022232112100 |
5 | 203031212133443 |
6 | 5543054220120 |
7 | 636306526416 |
oct | 140512562620 |
9 | 36430314853 |
10 | 12971599248 |
11 | 5557147563 |
12 | 26201b4640 |
13 | 12b953991a |
14 | 8b0a952b6 |
15 | 50dbe1c33 |
hex | 3052ae590 |
12971599248 has 80 divisors (see below), whose sum is σ = 35540332416. Its totient is φ = 4068049920.
The previous prime is 12971599213. The next prime is 12971599337. The reversal of 12971599248 is 84299517921.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28965 + ... + 163652.
Almost surely, 212971599248 is an apocalyptic number.
It is an amenable number.
12971599248 is an abundant number, since it is smaller than the sum of its proper divisors (22568733168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12971599248 is a wasteful number, since it uses less digits than its factorization.
12971599248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192712 (or 192706 counting only the distinct ones).
The product of its digits is 3265920, while the sum is 57.
The spelling of 12971599248 in words is "twelve billion, nine hundred seventy-one million, five hundred ninety-nine thousand, two hundred forty-eight".
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