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3117957409 = 73977691459
BaseRepresentation
bin1011100111011000…
…0100000100100001
322001021222122111001
42321312010010201
522341144114114
61233220352001
7140160125560
oct27166040441
98037878431
103117957409
111360007606
12730245601
133a8c74818
1421814dbd7
15133ae4374
hexb9d84121

3117957409 has 16 divisors (see below), whose sum is σ = 3579452800. Its totient is φ = 2660511744.

The previous prime is 3117957407. The next prime is 3117957419. The reversal of 3117957409 is 9047597113.

It is a cyclic number.

It is not a de Polignac number, because 3117957409 - 21 = 3117957407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3117957407) 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 15 ways as a sum of consecutive naturals, for example, 2136322 + ... + 2137780.

It is an arithmetic number, because the mean of its divisors is an integer number (223715800).

Almost surely, 23117957409 is an apocalyptic number.

It is an amenable number.

3117957409 is a deficient number, since it is larger than the sum of its proper divisors (461495391).

3117957409 is a wasteful number, since it uses less digits than its factorization.

3117957409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632.

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 3117957409 is about 55838.6730590905. The cubic root of 3117957409 is about 1460.9097677832.

It can be divided in two parts, 31179 and 57409, that added together give a palindrome (88588).

The spelling of 3117957409 in words is "three billion, one hundred seventeen million, nine hundred fifty-seven thousand, four hundred nine".

Divisors: 1 7 397 769 1459 2779 5383 10213 305293 579223 1121971 2137051 4054561 7853797 445422487 3117957409