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255312626251 is a prime number
BaseRepresentation
bin1110110111000111010…
…0011000001001001011
3220102000011202020021111
43231301310120021023
513140340013020001
6313142231351151
724305612342014
oct3556164301113
9812004666244
10255312626251
1199306359a61
12415938224b7
131b0ca919617
14c50021200b
156994425851
hex3b71d1824b

255312626251 has 2 divisors, whose sum is σ = 255312626252. Its totient is φ = 255312626250.

The previous prime is 255312626249. The next prime is 255312626267. The reversal of 255312626251 is 152626213552.

255312626251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255312626251 - 21 = 255312626249 is a prime.

Together with 255312626249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (255312626201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127656313125 + 127656313126.

It is an arithmetic number, because the mean of its divisors is an integer number (127656313126).

Almost surely, 2255312626251 is an apocalyptic number.

255312626251 is a deficient number, since it is larger than the sum of its proper divisors (1).

255312626251 is an equidigital number, since it uses as much as digits as its factorization.

255312626251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 40.

The spelling of 255312626251 in words is "two hundred fifty-five billion, three hundred twelve million, six hundred twenty-six thousand, two hundred fifty-one".