Base | Representation |
---|---|
bin | 1011011101111010011110… |
… | …1001100000110001101011 |
3 | 1122122100211221122000112010 |
4 | 2313132213221200301223 |
5 | 3123034243133102422 |
6 | 42452141210251003 |
7 | 2440636263024504 |
oct | 267364751406153 |
9 | 48570757560463 |
10 | 12608541690987 |
11 | 4021286098250 |
12 | 14b7753126a63 |
13 | 705c98b816c8 |
14 | 318384455bab |
15 | 16ce9cad9b0c |
hex | b77a7a60c6b |
12608541690987 has 16 divisors (see below), whose sum is σ = 18387581349888. Its totient is φ = 7621588608480.
The previous prime is 12608541690971. The next prime is 12608541691001. The reversal of 12608541690987 is 78909614580621.
It is not a de Polignac number, because 12608541690987 - 24 = 12608541690971 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12608541690917) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498782428 + ... + 498807705.
It is an arithmetic number, because the mean of its divisors is an integer number (1149223834368).
Almost surely, 212608541690987 is an apocalyptic number.
12608541690987 is a deficient number, since it is larger than the sum of its proper divisors (5779039658901).
12608541690987 is a wasteful number, since it uses less digits than its factorization.
12608541690987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 997590530.
The product of its (nonzero) digits is 52254720, while the sum is 66.
The spelling of 12608541690987 in words is "twelve trillion, six hundred eight billion, five hundred forty-one million, six hundred ninety thousand, nine hundred eighty-seven".
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