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11524210664 = 231991372341
BaseRepresentation
bin10101011101110010…
…10111111111101000
31002202010211120002012
422232321113333220
5142100144220124
65143311455052
7555403113551
oct125671277750
932663746065
1011524210664
11498413104a
122297527488
131118708585
147b4769328
15476adae0e
hex2aee57fe8

11524210664 has 16 divisors (see below), whose sum is σ = 21609278820. Its totient is φ = 5761736320.

The previous prime is 11524210601. The next prime is 11524210667. The reversal of 11524210664 is 46601242511.

It can be written as a sum of positive squares in 2 ways, for example, as 11416922500 + 107288164 = 106850^2 + 10358^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11524210664.

It is not an unprimeable number, because it can be changed into a prime (11524210667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123134 + ... + 195474.

Almost surely, 211524210664 is an apocalyptic number.

It is an amenable number.

11524210664 is a deficient number, since it is larger than the sum of its proper divisors (10085068156).

11524210664 is a wasteful number, since it uses less digits than its factorization.

11524210664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92260 (or 92256 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 11524210664 in words is "eleven billion, five hundred twenty-four million, two hundred ten thousand, six hundred sixty-four".

Divisors: 1 2 4 8 19913 39826 72341 79652 144682 159304 289364 578728 1440526333 2881052666 5762105332 11524210664