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20341443012 = 223111189712953
BaseRepresentation
bin10010111100011100…
…011100100111000100
31221111122000101000020
4102330130130213010
5313124402134022
613202243415140
71320036261402
oct227434344704
957448011006
1020341443012
11869923a230
123b383844b0
131bc2356017
14dad7a6472
157e0c1435c
hex4bc71c9c4

20341443012 has 48 divisors (see below), whose sum is σ = 51786568512. Its totient is φ = 6163079680.

The previous prime is 20341442999. The next prime is 20341443049. The reversal of 20341443012 is 21034414302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1563928 + ... + 1576880.

It is an arithmetic number, because the mean of its divisors is an integer number (1078886844).

Almost surely, 220341443012 is an apocalyptic number.

20341443012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20341443012 is an abundant number, since it is smaller than the sum of its proper divisors (31445125500).

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

20341443012 is a wasteful number, since it uses less digits than its factorization.

20341443012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24868 (or 24866 counting only the distinct ones).

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

Adding to 20341443012 its reverse (21034414302), we get a palindrome (41375857314).

The spelling of 20341443012 in words is "twenty billion, three hundred forty-one million, four hundred forty-three thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 11897 12953 23794 25906 35691 38859 47588 51812 71382 77718 130867 142483 142764 155436 261734 284966 392601 427449 523468 569932 785202 854898 1570404 1709796 154101841 308203682 462305523 616407364 924611046 1695120251 1849222092 3390240502 5085360753 6780481004 10170721506 20341443012