Base | Representation |
---|---|
bin | 1011101111010101101111… |
… | …0000101100101111001100 |
3 | 1200200222120212121200122211 |
4 | 2323311123300230233030 |
5 | 3142440403022423132 |
6 | 43241452001320204 |
7 | 2501365124353525 |
oct | 273653360545714 |
9 | 50628525550584 |
10 | 12907916217292 |
11 | 4127242217938 |
12 | 1545783036064 |
13 | 728299235a25 |
14 | 328a6449d84c |
15 | 175b703e8147 |
hex | bbd5bc2cbcc |
12907916217292 has 48 divisors (see below), whose sum is σ = 23217638973984. Its totient is φ = 6275377152000.
The previous prime is 12907916217253. The next prime is 12907916217307. The reversal of 12907916217292 is 29271261970921.
It is a super-2 number, since 2×129079162172922 (a number of 27 digits) contains 22 as substring.
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, 165038548 + ... + 165116740.
It is an arithmetic number, because the mean of its divisors is an integer number (483700811958).
Almost surely, 212907916217292 is an apocalyptic number.
It is an amenable number.
12907916217292 is a deficient number, since it is larger than the sum of its proper divisors (10309722756692).
12907916217292 is a wasteful number, since it uses less digits than its factorization.
12907916217292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81610 (or 81608 counting only the distinct ones).
The product of its (nonzero) digits is 3429216, while the sum is 58.
The spelling of 12907916217292 in words is "twelve trillion, nine hundred seven billion, nine hundred sixteen million, two hundred seventeen thousand, two hundred ninety-two".
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