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313294781911 = 2387727895569
BaseRepresentation
bin1001000111100011101…
…00101111110111010111
31002221200001101220222011
410203301310233313113
520113111431010121
6355531534245051
731430510464426
oct4436164576727
91087601356864
10313294781911
1111095a811771
1250875956787
132370b2c2277
1411240ac32bd
15823993d7e1
hex48f1d2fdd7

313294781911 has 16 divisors (see below), whose sum is σ = 327465201600. Its totient is φ = 299170510848.

The previous prime is 313294781909. The next prime is 313294781939. The reversal of 313294781911 is 119187492313.

It is a cyclic number.

It is not a de Polignac number, because 313294781911 - 21 = 313294781909 is a prime.

It is a super-2 number, since 2×3132947819112 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313294781971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56254135 + ... + 56259703.

It is an arithmetic number, because the mean of its divisors is an integer number (20466575100).

Almost surely, 2313294781911 is an apocalyptic number.

313294781911 is a deficient number, since it is larger than the sum of its proper divisors (14170419689).

313294781911 is a wasteful number, since it uses less digits than its factorization.

313294781911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9258.

The product of its digits is 326592, while the sum is 49.

The spelling of 313294781911 in words is "three hundred thirteen billion, two hundred ninety-four million, seven hundred eighty-one thousand, nine hundred eleven".

Divisors: 1 23 877 2789 5569 20171 64147 128087 2445953 4884013 15531941 56256919 112332299 357234643 13621512257 313294781911