Base | Representation |
---|---|
bin | 1011100011100010010001… |
… | …1001001100101000101001 |
3 | 1122222121010220222212211021 |
4 | 2320320210121030220221 |
5 | 3131130043201043242 |
6 | 43004353041132441 |
7 | 2450625545555422 |
oct | 270704431145051 |
9 | 48877126885737 |
10 | 12705123846697 |
11 | 405923820a347 |
12 | 151240832a121 |
13 | 71211b55b179 |
14 | 31cd075c2649 |
15 | 170751c44b67 |
hex | b8e2464ca29 |
12705123846697 has 8 divisors (see below), whose sum is σ = 12748633329600. Its totient is φ = 12661615366320.
The previous prime is 12705123846601. The next prime is 12705123846799. The reversal of 12705123846697 is 79664832150721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12705123846697 - 223 = 12705115458089 is a prime.
It is a super-2 number, since 2×127051238466972 (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 (12705133846697) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32407554 + ... + 32797252.
It is an arithmetic number, because the mean of its divisors is an integer number (1593579166200).
It is a 1-persistent number, because it is pandigital, but 2⋅12705123846697 = 25410247693394 is not.
Almost surely, 212705123846697 is an apocalyptic number.
It is an amenable number.
12705123846697 is a deficient number, since it is larger than the sum of its proper divisors (43509482903).
12705123846697 is a wasteful number, since it uses less digits than its factorization.
12705123846697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 501263.
The product of its (nonzero) digits is 30481920, while the sum is 61.
The spelling of 12705123846697 in words is "twelve trillion, seven hundred five billion, one hundred twenty-three million, eight hundred forty-six thousand, six hundred ninety-seven".
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