Base | Representation |
---|---|
bin | 11000000010110111… |
… | …01111111101111000 |
3 | 1020022122110210002120 |
4 | 30001123233331320 |
5 | 202414143002324 |
6 | 5532535401240 |
7 | 634616202561 |
oct | 140133577570 |
9 | 36278423076 |
10 | 12908953464 |
11 | 5524849890 |
12 | 2603223220 |
13 | 12a9574604 |
14 | 8a6629168 |
15 | 50846a179 |
hex | 3016eff78 |
12908953464 has 32 divisors (see below), whose sum is σ = 35206237440. Its totient is φ = 3911804000.
The previous prime is 12908953459. The next prime is 12908953489. The reversal of 12908953464 is 46435980921.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24448512 + ... + 24449039.
It is an arithmetic number, because the mean of its divisors is an integer number (1100194920).
Almost surely, 212908953464 is an apocalyptic number.
It is an amenable number.
12908953464 is an abundant number, since it is smaller than the sum of its proper divisors (22297283976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12908953464 is a wasteful number, since it uses less digits than its factorization.
12908953464 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48897571 (or 48897567 counting only the distinct ones).
The product of its (nonzero) digits is 1866240, while the sum is 51.
The spelling of 12908953464 in words is "twelve billion, nine hundred eight million, nine hundred fifty-three thousand, four hundred sixty-four".
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