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257067117072653 = 1133701614679881
BaseRepresentation
bin111010011100110100011010…
…001100100101000100001101
31020201012101011101100212010012
4322130310122030211010031
5232143241423432311103
62310423000412123005
7105101325543022616
oct7234643214450415
91221171141325105
10257067117072653
1174a00608952868
12249b93b5466465
13b05942c3b0c44
14476a18722ac0d
151eabd8b8932d8
hexe9cd1a32510d

257067117072653 has 8 divisors (see below), whose sum is σ = 259412121240696. Its totient is φ = 254723342272000.

The previous prime is 257067117072527. The next prime is 257067117072697. The reversal of 257067117072653 is 356270711760752.

It can be written as a sum of positive squares in 4 ways, for example, as 4197265930729 + 252869851141924 = 2048723^2 + 15901882^2 .

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 257067117072653 - 236 = 256998397595917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 257067117072592 and 257067117072601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257067117072253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306921728 + ... + 307758153.

It is an arithmetic number, because the mean of its divisors is an integer number (32426515155087).

Almost surely, 2257067117072653 is an apocalyptic number.

It is an amenable number.

257067117072653 is a deficient number, since it is larger than the sum of its proper divisors (2345004168043).

257067117072653 is a wasteful number, since it uses less digits than its factorization.

257067117072653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614683695.

The product of its (nonzero) digits is 25930800, while the sum is 59.

The spelling of 257067117072653 in words is "two hundred fifty-seven trillion, sixty-seven billion, one hundred seventeen million, seventy-two thousand, six hundred fifty-three".

Divisors: 1 113 3701 418213 614679881 69458826553 2274930239581 257067117072653