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11642936568 = 233895450813
BaseRepresentation
bin10101101011111100…
…10001110011111000
31010001102020110101220
422311332101303320
5142321042432233
65203152312040
7561344220324
oct126576216370
933042213356
1011642936568
114a3515262a
12230b242620
1311371a75a3
147c6432984
1548223deb3
hex2b5f91cf8

11642936568 has 32 divisors (see below), whose sum is σ = 29434395600. Its totient is φ = 3837371648.

The previous prime is 11642936563. The next prime is 11642936587. The reversal of 11642936568 is 86563924611.

It is a self number, because there is not a number n which added to its sum of digits gives 11642936568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11642936563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2723271 + ... + 2727542.

Almost surely, 211642936568 is an apocalyptic number.

It is an amenable number.

11642936568 is an abundant number, since it is smaller than the sum of its proper divisors (17791459032).

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

11642936568 is a wasteful number, since it uses less digits than its factorization.

11642936568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450911 (or 5450907 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The spelling of 11642936568 in words is "eleven billion, six hundred forty-two million, nine hundred thirty-six thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 89 178 267 356 534 712 1068 2136 5450813 10901626 16352439 21803252 32704878 43606504 65409756 130819512 485122357 970244714 1455367071 1940489428 2910734142 3880978856 5821468284 11642936568