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3117668512 = 25723122069
BaseRepresentation
bin1011100111010011…
…1101100010100000
322001021102222012011
42321310331202200
522341110343022
61233210242304
7140154513400
oct27164754240
98037388164
103117668512
11135a92a552
12730126394
133a8ba318a
142180b6800
15133a88977
hexb9d3d8a0

3117668512 has 108 divisors (see below), whose sum is σ = 7381336410. Its totient is φ = 1292417280.

The previous prime is 3117668509. The next prime is 3117668537. The reversal of 3117668512 is 2158667113.

It is a happy number.

3117668512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2990339856 + 127328656 = 54684^2 + 11284^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1505814 + ... + 1507882.

Almost surely, 23117668512 is an apocalyptic number.

3117668512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3117668512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3690668205).

3117668512 is an abundant number, since it is smaller than the sum of its proper divisors (4263667898).

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

3117668512 is a wasteful number, since it uses less digits than its factorization.

3117668512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155 (or 2109 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 3117668512 is about 55836.0861092538. The cubic root of 3117668512 is about 1460.8646457765.

The spelling of 3117668512 in words is "three billion, one hundred seventeen million, six hundred sixty-eight thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 31 32 49 56 62 98 112 124 196 217 224 248 392 434 496 784 868 961 992 1519 1568 1736 1922 2069 3038 3472 3844 4138 6076 6727 6944 7688 8276 12152 13454 14483 15376 16552 24304 26908 28966 30752 33104 47089 48608 53816 57932 64139 66208 94178 101381 107632 115864 128278 188356 202762 215264 231728 256556 376712 405524 448973 463456 513112 753424 811048 897946 1026224 1506848 1622096 1795892 1988309 2052448 3142811 3244192 3591784 3976618 6285622 7183568 7953236 12571244 13918163 14367136 15906472 25142488 27836326 31812944 50284976 55672652 63625888 97427141 100569952 111345304 194854282 222690608 389708564 445381216 779417128 1558834256 3117668512