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20313403132 = 22114311819091
BaseRepresentation
bin10010111010110001…
…011110111011111100
31221102200020210112011
4102322301132323330
5313100212400012
613155402421004
71316246035441
oct227261367374
957380223464
1020313403132
118684428480
123b2ab01764
131bb95b9289
14da9b879c8
157dd5261a7
hex4bac5eefc

20313403132 has 48 divisors (see below), whose sum is σ = 39719965824. Its totient is φ = 9010008000.

The previous prime is 20313403129. The next prime is 20313403141. The reversal of 20313403132 is 23130431302.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2229907 + ... + 2238997.

It is an arithmetic number, because the mean of its divisors is an integer number (827499288).

Almost surely, 220313403132 is an apocalyptic number.

20313403132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20313403132 is a deficient number, since it is larger than the sum of its proper divisors (19406562692).

20313403132 is a wasteful number, since it uses less digits than its factorization.

20313403132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10330 (or 10328 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20313403132 its reverse (23130431302), we get a palindrome (43443834434).

The spelling of 20313403132 in words is "twenty billion, three hundred thirteen million, four hundred three thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 43 44 86 172 473 946 1181 1892 2362 4724 9091 12991 18182 25982 36364 50783 51964 100001 101566 200002 203132 390913 400004 558613 781826 1117226 1563652 2234452 4300043 8600086 10736471 17200172 21472942 42945884 118101181 236202362 461668253 472404724 923336506 1846673012 5078350783 10156701566 20313403132