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12231923653857 = 3231202091474717
BaseRepresentation
bin1011000111111111011101…
…1101101101110011100001
31121022100201210100102200010
42301333313131231303201
53100401434423410412
642003133530515133
72401504320362445
oct261776735556341
947270653312603
1012231923653857
113996591020706
121456766595aa9
136a9608799c6b
143040577ac825
151632a8d0033c
hexb1ff776dce1

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".

Divisors: 1 3 23 69 120209 360627 1474717 2764807 4424151 8294421 33918491 101755473 177274255853 531822767559 4077307884619 12231923653857