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256103145452424 = 23311519271037701
BaseRepresentation
bin111010001110110010101001…
…000000101011001110001000
31020120210012222112200202102010
4322032302221000223032020
5232031443220213434144
62304404054422535520
7104641561455320634
oct7216625100531610
91216705875622363
10256103145452424
1174669809015946
12248826092975a0
13acb956640191a
14473565bb07dc4
151e91c6d0e75b9
hexe8eca902b388

256103145452424 has 32 divisors (see below), whose sum is σ = 640814125962240. Its totient is φ = 85293546840000.

The previous prime is 256103145452423. The next prime is 256103145452443. The reversal of 256103145452424 is 424254541301652.

It is a super-2 number, since 2×2561031454524242 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (256103145452423) 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, 4635491227 + ... + 4635546474.

It is an arithmetic number, because the mean of its divisors is an integer number (20025441436320).

Almost surely, 2256103145452424 is an apocalyptic number.

256103145452424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

256103145452424 is an abundant number, since it is smaller than the sum of its proper divisors (384710980509816).

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

256103145452424 is a wasteful number, since it uses less digits than its factorization.

256103145452424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9271038861 (or 9271038857 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 48.

The spelling of 256103145452424 in words is "two hundred fifty-six trillion, one hundred three billion, one hundred forty-five million, four hundred fifty-two thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 1151 2302 3453 4604 6906 9208 13812 27624 9271037701 18542075402 27813113103 37084150804 55626226206 74168301608 111252452412 222504904824 10670964393851 21341928787702 32012893181553 42683857575404 64025786363106 85367715150808 128051572726212 256103145452424