Base | Representation |
---|---|
bin | 1011000111111111011101… |
… | …1101101101110011100001 |
3 | 1121022100201210100102200010 |
4 | 2301333313131231303201 |
5 | 3100401434423410412 |
6 | 42003133530515133 |
7 | 2401504320362445 |
oct | 261776735556341 |
9 | 47270653312603 |
10 | 12231923653857 |
11 | 3996591020706 |
12 | 1456766595aa9 |
13 | 6a9608799c6b |
14 | 3040577ac825 |
15 | 1632a8d0033c |
hex | b1ff776dce1 |
12231923653857 has 16 divisors (see below), whose sum is σ = 17018481674880. Its totient is φ = 7799997080832.
The previous prime is 12231923653847. The next prime is 12231923653871. The reversal of 12231923653857 is 75835632913221.
It is not a de Polignac number, because 12231923653857 - 211 = 12231923651809 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12231923653797 and 12231923653806.
It is not an unprimeable number, because it can be changed into a prime (12231923653847) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7557063 + ... + 9031779.
It is an arithmetic number, because the mean of its divisors is an integer number (1063655104680).
Almost surely, 212231923653857 is an apocalyptic number.
It is an amenable number.
12231923653857 is a deficient number, since it is larger than the sum of its proper divisors (4786558021023).
12231923653857 is a wasteful number, since it uses less digits than its factorization.
12231923653857 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1594952.
The product of its digits is 16329600, while the sum is 57.
The spelling of 12231923653857 in words is "twelve trillion, two hundred thirty-one billion, nine hundred twenty-three million, six hundred fifty-three thousand, eight hundred fifty-seven".
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