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257150475823103 = 19255144519119173
BaseRepresentation
bin111010011110000010000010…
…110000111110011111111111
31020201111100022210120010112222
4322132002002300332133333
5232201123133302314403
62310525144151315555
7105110336340510602
oct7236020260763777
91221440283503488
10257150475823103
1174a329a4780865
1224a1159a07bbbb
13b064255328355
1447702140b6339
151eae119b6c338
hexe9e082c3e7ff

257150475823103 has 16 divisors (see below), whose sum is σ = 270799175539200. Its totient is φ = 243513228506400.

The previous prime is 257150475823061. The next prime is 257150475823169. The reversal of 257150475823103 is 301328574051752.

It is a cyclic number.

It is not a de Polignac number, because 257150475823103 - 238 = 256875597916159 is a prime.

It is a super-2 number, since 2×2571504758231032 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257150475843103) 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, 2157731825 + ... + 2157850997.

It is an arithmetic number, because the mean of its divisors is an integer number (16924948471200).

Almost surely, 2257150475823103 is an apocalyptic number.

257150475823103 is a deficient number, since it is larger than the sum of its proper divisors (13648699716097).

257150475823103 is a wasteful number, since it uses less digits than its factorization.

257150475823103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166262.

The product of its (nonzero) digits is 7056000, while the sum is 53.

The spelling of 257150475823103 in words is "two hundred fifty-seven trillion, one hundred fifty billion, four hundred seventy-five million, eight hundred twenty-three thousand, one hundred three".

Divisors: 1 19 2551 44519 48469 119173 845861 2264287 113567969 304010323 2157791411 5305462787 5776196137 100803792953 13534235569637 257150475823103