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831268011 = 37374392437
BaseRepresentation
bin110001100011000…
…010010010101011
32010221011210100010
4301203002102223
53200301034021
6214252543003
726412442620
oct6143022253
92127153303
10831268011
11397257a62
121b2481a63
131032b0082
147c588347
154cea1976
hex318c24ab

831268011 has 32 divisors (see below), whose sum is σ = 1304427520. Its totient is φ = 460930176.

The previous prime is 831268003. The next prime is 831268019. The reversal of 831268011 is 110862138.

It is an interprime number because it is at equal distance from previous prime (831268003) and next prime (831268019).

It is not a de Polignac number, because 831268011 - 23 = 831268003 is a prime.

It is a super-2 number, since 2×8312680112 = 1382013012223792242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 831268011.

It is not an unprimeable number, because it can be changed into a prime (831268019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339885 + ... + 342321.

It is an arithmetic number, because the mean of its divisors is an integer number (40763360).

Almost surely, 2831268011 is an apocalyptic number.

831268011 is a deficient number, since it is larger than the sum of its proper divisors (473159509).

831268011 is a wasteful number, since it uses less digits than its factorization.

831268011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 831268011 is about 28831.7188353383. The cubic root of 831268011 is about 940.2579686577.

The spelling of 831268011 in words is "eight hundred thirty-one million, two hundred sixty-eight thousand, eleven".

Divisors: 1 3 7 21 37 111 259 439 777 1317 2437 3073 7311 9219 16243 17059 48729 51177 90169 113701 270507 341103 631183 1069843 1893549 3209529 7488901 22466703 39584191 118752573 277089337 831268011