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257040113522563 = 7328691117162561
BaseRepresentation
bin111010011100011011010000…
…101010001101011110000011
31020201002210110110102101021101
4322130123100222031132003
5232142321123030210223
62310402333100235231
7105066351426442420
oct7234332052153603
91221083413371241
10257040113522563
11749a0111074a18
12249b4119b3bb17
13b056a17a59537
144768b44b42d47
151eab30ad5b4ad
hexe9c6d0a8d783

257040113522563 has 8 divisors (see below), whose sum is σ = 293769067303520. Its totient is φ = 220313394132480.

The previous prime is 257040113522453. The next prime is 257040113522593. The reversal of 257040113522563 is 365225311040752.

It is a happy number.

257040113522563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 257040113522563 - 225 = 257040079968131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (257040113522593) 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, 558351198 + ... + 558811363.

It is an arithmetic number, because the mean of its divisors is an integer number (36721133412940).

Almost surely, 2257040113522563 is an apocalyptic number.

257040113522563 is a deficient number, since it is larger than the sum of its proper divisors (36728953780957).

257040113522563 is a wasteful number, since it uses less digits than its factorization.

257040113522563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117195437.

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 257040113522563 in words is "two hundred fifty-seven trillion, forty billion, one hundred thirteen million, five hundred twenty-two thousand, five hundred sixty-three".

Divisors: 1 7 32869 230083 1117162561 7820137927 36720016217509 257040113522563