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3117687264 = 253253204251
BaseRepresentation
bin1011100111010100…
…0010000111100000
322001021110220220200
42321311002013200
522341111443024
61233210505200
7140154622146
oct27165020740
98037426820
103117687264
11135a94264a
12730135200
133a8bab883
142180bd596
15133a8e2c9
hexb9d421e0

3117687264 has 72 divisors (see below), whose sum is σ = 9033248952. Its totient is φ = 1019616000.

The previous prime is 3117687241. The next prime is 3117687269. The reversal of 3117687264 is 4627867113.

3117687264 is a `hidden beast` number, since 311 + 76 + 8 + 7 + 264 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×31176872642 = 19439947752215611392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3117687269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86862 + ... + 117389.

It is an arithmetic number, because the mean of its divisors is an integer number (125461791).

Almost surely, 23117687264 is an apocalyptic number.

It is an amenable number.

3117687264 is an abundant number, since it is smaller than the sum of its proper divisors (5915561688).

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

3117687264 is a wasteful number, since it uses less digits than its factorization.

3117687264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204320 (or 204309 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 3117687264 is about 55836.2540290804. The cubic root of 3117687264 is about 1460.8675746830.

The spelling of 3117687264 in words is "three billion, one hundred seventeen million, six hundred eighty-seven thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 53 72 96 106 144 159 212 288 318 424 477 636 848 954 1272 1696 1908 2544 3816 5088 7632 15264 204251 408502 612753 817004 1225506 1634008 1838259 2451012 3268016 3676518 4902024 6536032 7353036 9804048 10825303 14706072 19608096 21650606 29412144 32475909 43301212 58824288 64951818 86602424 97427727 129903636 173204848 194855454 259807272 346409696 389710908 519614544 779421816 1039229088 1558843632 3117687264