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255351320005 = 53112722695717
BaseRepresentation
bin1110110111010000011…
…1111110110111000101
3220102002212120002010111
43231310013332313011
513140424414220010
6313150132553021
724306562256545
oct3556407766705
9812085502114
10255351320005
1199326188171
12415a4782771
131b105946732
14c505405325
156997a1a58a
hex3b741fedc5

255351320005 has 32 divisors (see below), whose sum is σ = 318993039360. Its totient is φ = 196013986560.

The previous prime is 255351319967. The next prime is 255351320027. The reversal of 255351320005 is 500023153552.

It is a de Polignac number, because none of the positive numbers 2k-255351320005 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44662407 + ... + 44668123.

It is an arithmetic number, because the mean of its divisors is an integer number (9968532480).

Almost surely, 2255351320005 is an apocalyptic number.

It is an amenable number.

255351320005 is a deficient number, since it is larger than the sum of its proper divisors (63641719355).

255351320005 is a wasteful number, since it uses less digits than its factorization.

255351320005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8149.

The product of its (nonzero) digits is 22500, while the sum is 31.

Adding to 255351320005 its reverse (500023153552), we get a palindrome (755374473557).

The spelling of 255351320005 in words is "two hundred fifty-five billion, three hundred fifty-one million, three hundred twenty thousand, five".

Divisors: 1 5 31 127 155 635 2269 3937 5717 11345 19685 28585 70339 177227 288163 351695 726059 886135 1440815 3630295 8933053 12971873 22507829 44665265 64859365 112539145 402128063 1647427871 2010640315 8237139355 51070264001 255351320005