Base | Representation |
---|---|
bin | 1011100111001111111001… |
… | …0000100110010010001010 |
3 | 1200012200210012012102202002 |
4 | 2321303332100212102022 |
5 | 3133201211043131230 |
6 | 43053542225111002 |
7 | 2455344313005212 |
oct | 271637620462212 |
9 | 50180705172662 |
10 | 12768908567690 |
11 | 408329a0022a0 |
12 | 1522849788462 |
13 | 718145133122 |
14 | 32203898b242 |
15 | 172236896545 |
hex | b9cfe42648a |
12768908567690 has 32 divisors (see below), whose sum is σ = 25073644426560. Its totient is φ = 4643211472000.
The previous prime is 12768908567689. The next prime is 12768908567711. The reversal of 12768908567690 is 9676580986721.
12768908567690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×127689085676902 (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, 29438390 + ... + 29868990.
It is an arithmetic number, because the mean of its divisors is an integer number (783551388330).
Almost surely, 212768908567690 is an apocalyptic number.
12768908567690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12768908567690 is a deficient number, since it is larger than the sum of its proper divisors (12304735858870).
12768908567690 is a wasteful number, since it uses less digits than its factorization.
12768908567690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 700198.
The product of its (nonzero) digits is 548674560, while the sum is 74.
The spelling of 12768908567690 in words is "twelve trillion, seven hundred sixty-eight billion, nine hundred eight million, five hundred sixty-seven thousand, six hundred ninety".
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