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6674568121 = 131937730339
BaseRepresentation
bin1100011011101010…
…11101001110111001
3122020011101012011201
412031311131032321
5102132142134441
63022151054201
7324254615164
oct61565351671
918204335151
106674568121
11291568a901
121363371361
13824a724c0
14474646adb
15290e84c31
hex18dd5d3b9

6674568121 has 16 divisors (see below), whose sum is σ = 7770817600. Its totient is φ = 5679108288.

The previous prime is 6674568077. The next prime is 6674568139. The reversal of 6674568121 is 1218654766.

It is a cyclic number.

It is not a de Polignac number, because 6674568121 - 225 = 6641013689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6674568521) 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, 356031 + ... + 374308.

It is an arithmetic number, because the mean of its divisors is an integer number (485676100).

Almost surely, 26674568121 is an apocalyptic number.

It is an amenable number.

6674568121 is a deficient number, since it is larger than the sum of its proper divisors (1096249479).

6674568121 is a wasteful number, since it uses less digits than its factorization.

6674568121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730408.

The product of its digits is 483840, while the sum is 46.

The square root of 6674568121 is about 81698.0300925304. The cubic root of 6674568121 is about 1882.8153195177.

The spelling of 6674568121 in words is "six billion, six hundred seventy-four million, five hundred sixty-eight thousand, one hundred twenty-one".

Divisors: 1 13 19 37 247 481 703 9139 730339 9494407 13876441 27022543 180393733 351293059 513428317 6674568121