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256510045760151 = 3301966794240417
BaseRepresentation
bin111010010100101101100110…
…001010001010101010010111
31020122020010021010102002002210
4322110231212022022222113
5232110130033203311101
62305315031020404503
7105013145026010121
oct7224554612125227
91218203233362083
10256510045760151
11748063326a05a7
12249294473a6733
13b018a414ac491
14474b21c4b6211
151e9c6356b67d6
hexe94b6628aa97

256510045760151 has 16 divisors (see below), whose sum is σ = 342177986259200. Its totient is φ = 170924418217728.

The previous prime is 256510045760149. The next prime is 256510045760153. The reversal of 256510045760151 is 151067540015652.

256510045760151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (256510045760149) and next prime (256510045760153).

It is not a de Polignac number, because 256510045760151 - 21 = 256510045760149 is a prime.

It is a super-2 number, since 2×2565100457601512 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 256510045760151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256510045760153) 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, 58371495 + ... + 62611911.

It is an arithmetic number, because the mean of its divisors is an integer number (21386124141200).

Almost surely, 2256510045760151 is an apocalyptic number.

256510045760151 is a deficient number, since it is larger than the sum of its proper divisors (85667940499049).

256510045760151 is a wasteful number, since it uses less digits than its factorization.

256510045760151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250118.

The product of its (nonzero) digits is 1260000, while the sum is 48.

The spelling of 256510045760151 in words is "two hundred fifty-six trillion, five hundred ten billion, forty-five million, seven hundred sixty thousand, one hundred fifty-one".

Divisors: 1 3 3019 6679 9057 20037 4240417 12721251 20163901 60491703 12801818923 28321745143 38405456769 84965235429 85503348586717 256510045760151