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256226500258253 = 7103129135493169
BaseRepresentation
bin111010010000100101100001…
…100001111010100111001101
31020121020000101100112011100022
4322100211201201322213031
5232041003333031231003
62304540455040311525
7104653516352010230
oct7220454141724715
91217200340464308
10256226500258253
1174707059648268
12248a24b46125a5
13acc8094649ca5
14473b600815417
151e9508c879738
hexe9096187a9cd

256226500258253 has 8 divisors (see below), whose sum is σ = 292830578205120. Its totient is φ = 219622495360320.

The previous prime is 256226500258249. The next prime is 256226500258303. The reversal of 256226500258253 is 352852005622652.

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 256226500258253 - 22 = 256226500258249 is a prime.

It is a super-2 number, since 2×2562265002582532 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 256226500258195 and 256226500258204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256226500252253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10527548 + ... + 24965621.

It is an arithmetic number, because the mean of its divisors is an integer number (36603822275640).

Almost surely, 2256226500258253 is an apocalyptic number.

It is an amenable number.

256226500258253 is a deficient number, since it is larger than the sum of its proper divisors (36604077946867).

256226500258253 is a wasteful number, since it uses less digits than its factorization.

256226500258253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36524467.

The product of its (nonzero) digits is 17280000, while the sum is 53.

The spelling of 256226500258253 in words is "two hundred fifty-six trillion, two hundred twenty-six billion, five hundred million, two hundred fifty-eight thousand, two hundred fifty-three".

Divisors: 1 7 1031291 7219037 35493169 248452183 36603785751179 256226500258253