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20413344012 = 22310717988817
BaseRepresentation
bin10011000000101110…
…101110100100001100
31221200122022022122020
4103000232232210030
5313301304002022
613213332450140
71321601363325
oct230056564414
957618268566
1020413344012
118725889546
123b58479950
131c0420bba9
14db916144c
157e71b835c
hex4c0bae90c

20413344012 has 48 divisors (see below), whose sum is σ = 48345413760. Its totient is φ = 6703121152.

The previous prime is 20413343989. The next prime is 20413344047. The reversal of 20413344012 is 21044331402.

It is a super-2 number, since 2×204133440122 (a number of 21 digits) contains 22 as substring.

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, 185428 + ... + 274244.

It is an arithmetic number, because the mean of its divisors is an integer number (1007196120).

Almost surely, 220413344012 is an apocalyptic number.

It is an amenable number.

20413344012 is an abundant number, since it is smaller than the sum of its proper divisors (27932069748).

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

20413344012 is a wasteful number, since it uses less digits than its factorization.

20413344012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89110 (or 89108 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20413344012 its reverse (21044331402), we get a palindrome (41457675414).

The spelling of 20413344012 in words is "twenty billion, four hundred thirteen million, three hundred forty-four thousand, twelve".

Divisors: 1 2 3 4 6 12 107 179 214 321 358 428 537 642 716 1074 1284 2148 19153 38306 57459 76612 88817 114918 177634 229836 266451 355268 532902 1065804 9503419 15898243 19006838 28510257 31796486 38013676 47694729 57020514 63592972 95389458 114041028 190778916 1701112001 3402224002 5103336003 6804448004 10206672006 20413344012