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13052192888 = 237418368491
BaseRepresentation
bin11000010011111100…
…01010100001111000
31020200122000002122102
430021332022201320
5203212330133023
65555053442532
7641305544330
oct141176124170
936618002572
1013052192888
115598693779
1226431a0448
131300147277
148bb6740c0
15515d11628
hex309f8a878

13052192888 has 64 divisors (see below), whose sum is σ = 28996773120. Its totient is φ = 5391532800.

The previous prime is 13052192887. The next prime is 13052192921. The reversal of 13052192888 is 88829125031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13052192887) 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, 156323 + ... + 224813.

It is an arithmetic number, because the mean of its divisors is an integer number (453074580).

Almost surely, 213052192888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13052192888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14498386560).

13052192888 is an abundant number, since it is smaller than the sum of its proper divisors (15944580232).

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

13052192888 is a wasteful number, since it uses less digits than its factorization.

13052192888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68628 (or 68624 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 47.

The spelling of 13052192888 in words is "thirteen billion, fifty-two million, one hundred ninety-two thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 41 56 82 83 164 166 287 328 332 574 581 664 1148 1162 2296 2324 3403 4648 6806 13612 23821 27224 47642 68491 95284 136982 190568 273964 479437 547928 958874 1917748 2808131 3835496 5616262 5684753 11232524 11369506 19656917 22465048 22739012 39313834 39793271 45478024 78627668 79586542 157255336 159173084 233074873 318346168 466149746 932299492 1631524111 1864598984 3263048222 6526096444 13052192888