Base | Representation |
---|---|
bin | 10111010010001011… |
… | …10100010101110000 |
3 | 1012021011222210021021 |
4 | 23221011310111300 |
5 | 201100120113044 |
6 | 5424230105224 |
7 | 621526634113 |
oct | 135105642560 |
9 | 35234883237 |
10 | 12500551024 |
11 | 5335265005 |
12 | 250a4ab214 |
13 | 1242a80670 |
14 | 8682b857a |
15 | 4d2696e84 |
hex | 2e9174570 |
12500551024 has 20 divisors (see below), whose sum is σ = 26082880936. Its totient is φ = 5769484992.
The previous prime is 12500551013. The next prime is 12500551031. The reversal of 12500551024 is 42015500521.
It is a self number, because there is not a number n which added to its sum of digits gives 12500551024.
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, 30049194 + ... + 30049609.
Almost surely, 212500551024 is an apocalyptic number.
It is an amenable number.
12500551024 is an abundant number, since it is smaller than the sum of its proper divisors (13582329912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12500551024 is a wasteful number, since it uses less digits than its factorization.
12500551024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60098824 (or 60098818 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 25.
The spelling of 12500551024 in words is "twelve billion, five hundred million, five hundred fifty-one thousand, twenty-four".
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