Base | Representation |
---|---|
bin | 11000000101001111… |
… | …10100101111010000 |
3 | 1020101000222222001020 |
4 | 30002213310233100 |
5 | 202434244132302 |
6 | 5534531035440 |
7 | 635250542130 |
oct | 140247645720 |
9 | 36330888036 |
10 | 12928895952 |
11 | 553502a985 |
12 | 2609a3bb80 |
13 | 12b07377bb |
14 | 8a913aac0 |
15 | 50a0a8ebc |
hex | 3029f4bd0 |
12928895952 has 80 divisors (see below), whose sum is σ = 40180047360. Its totient is φ = 3499549056.
The previous prime is 12928895927. The next prime is 12928895963. The reversal of 12928895952 is 25959882921.
It is a congruent number.
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, 1006218 + ... + 1018985.
It is an arithmetic number, because the mean of its divisors is an integer number (502250592).
Almost surely, 212928895952 is an apocalyptic number.
12928895952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12928895952 is an abundant number, since it is smaller than the sum of its proper divisors (27251151408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12928895952 is a wasteful number, since it uses less digits than its factorization.
12928895952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2025240 (or 2025234 counting only the distinct ones).
The product of its digits is 9331200, while the sum is 60.
The spelling of 12928895952 in words is "twelve billion, nine hundred twenty-eight million, eight hundred ninety-five thousand, nine hundred fifty-two".
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