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23695368489 = 3213239472
BaseRepresentation
bin10110000100010110…
…101010000100101001
32021011101000102211100
4112010112222010221
5342012003242424
614515133552013
71466123210652
oct260426520451
967141012740
1023695368489
11a05a466071
124713645609
132308169400
14120adbc529
1593a3b9dc9
hex5845aa129

23695368489 has 27 divisors (see below), whose sum is σ = 37071378903. Its totient is φ = 14578070832.

The previous prime is 23695368481. The next prime is 23695368491. The reversal of 23695368489 is 98486359632.

The square root of 23695368489 is 153933.

It is a perfect power (a square), and thus also a powerful number.

23695368489 is a `hidden beast` number, since 2 + 3 + 6 + 95 + 3 + 68 + 489 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3505232025 + 20190136464 = 59205^2 + 142092^2 .

It is not a de Polignac number, because 23695368489 - 23 = 23695368481 is a prime.

It is a super-2 number, since 2×236953684892 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23695368481) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6001414 + ... + 6005360.

Almost surely, 223695368489 is an apocalyptic number.

23695368489 is the 153933-rd square number.

23695368489 is the 76967-th centered octagonal number.

It is an amenable number.

23695368489 is a deficient number, since it is larger than the sum of its proper divisors (13376010414).

23695368489 is an frugal number, since it uses more digits than its factorization.

23695368489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7926 (or 3963 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 63.

The spelling of 23695368489 in words is "twenty-three billion, six hundred ninety-five million, three hundred sixty-eight thousand, four hundred eighty-nine".

Divisors: 1 3 9 13 39 117 169 507 1521 3947 11841 35523 51311 153933 461799 667043 2001129 6003387 15578809 46736427 140209281 202524517 607573551 1822720653 2632818721 7898456163 23695368489