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27312203274 = 23431009104917
BaseRepresentation
bin11001011011111011…
…110010011000001010
32121111102201200102020
4121123323302120022
5421413411001044
620314055145310
71654551616536
oct313373623012
977442650366
1027312203274
1110646032624
125362975236
132763592035
1414714b0bc6
15a9cba4a19
hex65bef260a

27312203274 has 32 divisors (see below), whose sum is σ = 55950671040. Its totient is φ = 8883447552.

The previous prime is 27312203267. The next prime is 27312203287. The reversal of 27312203274 is 47230221372.

It is a Curzon number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 207864 + ... + 312780.

It is an arithmetic number, because the mean of its divisors is an integer number (1748458470).

Almost surely, 227312203274 is an apocalyptic number.

27312203274 is an abundant number, since it is smaller than the sum of its proper divisors (28638467766).

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

27312203274 is a wasteful number, since it uses less digits than its factorization.

27312203274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105974.

The product of its (nonzero) digits is 28224, while the sum is 33.

The spelling of 27312203274 in words is "twenty-seven billion, three hundred twelve million, two hundred three thousand, two hundred seventy-four".

Divisors: 1 2 3 6 43 86 129 258 1009 2018 3027 6054 43387 86774 104917 130161 209834 260322 314751 629502 4511431 9022862 13534293 27068586 105861253 211722506 317583759 635167518 4552033879 9104067758 13656101637 27312203274