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256230343693782 = 23273195000261563
BaseRepresentation
bin111010010000101001000110…
…100111011101010111010110
31020121020101022012121220201100
4322100221012213131113112
5232041034220441200112
62304542332254410530
7104654013531453513
oct7220510647352726
91217211265556640
10256230343693782
1174708751116267
12248a31a7800a46
13acc85579b18b3
14473b88705230a
151e95214ec52dc
hexe90a469dd5d6

256230343693782 has 24 divisors (see below), whose sum is σ = 562770754873704. Its totient is φ = 84240112994784.

The previous prime is 256230343693757. The next prime is 256230343693823. The reversal of 256230343693782 is 287396343032652.

256230343693782 is a `hidden beast` number, since 2 + 5 + 6 + 2 + 30 + 3 + 436 + 93 + 7 + 82 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97500129468 + ... + 97500132095.

It is an arithmetic number, because the mean of its divisors is an integer number (23448781453071).

Almost surely, 2256230343693782 is an apocalyptic number.

256230343693782 is an abundant number, since it is smaller than the sum of its proper divisors (306540411179922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256230343693782 is a wasteful number, since it uses less digits than its factorization.

256230343693782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195000261644 (or 195000261641 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 63.

The spelling of 256230343693782 in words is "two hundred fifty-six trillion, two hundred thirty billion, three hundred forty-three million, six hundred ninety-three thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 9 18 73 146 219 438 657 1314 195000261563 390000523126 585000784689 1170001569378 1755002354067 3510004708134 14235019094099 28470038188198 42705057282297 85410114564594 128115171846891 256230343693782