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256880550145101 = 3179478362290773
BaseRepresentation
bin111010011010000110101001…
…111100001110110001001101
31020200112112121012202221210120
4322122012221330032301031
5232132212331314120401
62310201143503255153
7105052002334221261
oct7232065174166115
91220475535687716
10256880550145101
117493947a770833
12249892085aa4b9
13b0449690b465c
1447611292080a1
151ea70bc8b8836
hexe9a1a9f0ec4d

256880550145101 has 8 divisors (see below), whose sum is σ = 344420849357280. Its totient is φ = 170296975514832.

The previous prime is 256880550145099. The next prime is 256880550145169. The reversal of 256880550145101 is 101541055088652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 256880550145101 - 21 = 256880550145099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256880550145181) 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, 239181144850 + ... + 239181145923.

It is an arithmetic number, because the mean of its divisors is an integer number (43052606169660).

Almost surely, 2256880550145101 is an apocalyptic number.

It is an amenable number.

256880550145101 is a deficient number, since it is larger than the sum of its proper divisors (87540299212179).

256880550145101 is a wasteful number, since it uses less digits than its factorization.

256880550145101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478362290955.

The product of its (nonzero) digits is 1920000, while the sum is 51.

The spelling of 256880550145101 in words is "two hundred fifty-six trillion, eight hundred eighty billion, five hundred fifty million, one hundred forty-five thousand, one hundred one".

Divisors: 1 3 179 537 478362290773 1435086872319 85626850048367 256880550145101