Base | Representation |
---|---|
bin | 1011100011100001110100… |
… | …0000000010101001110001 |
3 | 1122222120211021121020210101 |
4 | 2320320131000002221301 |
5 | 3131124314422433242 |
6 | 43004332450432401 |
7 | 2450622511360354 |
oct | 270703500025161 |
9 | 48876737536711 |
10 | 12704999811697 |
11 | 40591841a1a86 |
12 | 1512392892701 |
13 | 7120cb95078b |
14 | 31ccd4d3629b |
15 | 170745de39b7 |
hex | b8e1d002a71 |
12704999811697 has 16 divisors (see below), whose sum is σ = 12946702443840. Its totient is φ = 12465509056000.
The previous prime is 12704999811689. The next prime is 12704999811719. The reversal of 12704999811697 is 79611899940721.
It is a cyclic number.
It is not a de Polignac number, because 12704999811697 - 23 = 12704999811689 is a prime.
It is a super-2 number, since 2×127049998116972 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12704999611697) 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, 238784697 + ... + 238837897.
It is an arithmetic number, because the mean of its divisors is an integer number (809168902740).
Almost surely, 212704999811697 is an apocalyptic number.
It is an amenable number.
12704999811697 is a deficient number, since it is larger than the sum of its proper divisors (241702632143).
12704999811697 is a wasteful number, since it uses less digits than its factorization.
12704999811697 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73904.
The product of its (nonzero) digits is 123451776, while the sum is 73.
The spelling of 12704999811697 in words is "twelve trillion, seven hundred four billion, nine hundred ninety-nine million, eight hundred eleven thousand, six hundred ninety-seven".
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