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20123322203012 = 2271279156187169
BaseRepresentation
bin1001001001101010100110…
…11110001011101110000100
32122020202210220221111221012
410210311103132023232010
510114200030440444022
6110444305424541352
74144601453322230
oct444652336135604
978222726844835
1020123322203012
116459286851486
12231004ba81858
13b2c80c8554b2
144d7d8c8bd5c0
1524d6c1827de2
hex124d5378bb84

20123322203012 has 24 divisors (see below), whose sum is σ = 40249791603840. Its totient is φ = 8623606544640.

The previous prime is 20123322202909. The next prime is 20123322203021. The reversal of 20123322203012 is 21030222332102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27735437 + ... + 28451732.

It is an arithmetic number, because the mean of its divisors is an integer number (1677074650160).

Almost surely, 220123322203012 is an apocalyptic number.

It is an amenable number.

20123322203012 is an abundant number, since it is smaller than the sum of its proper divisors (20126469400828).

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

20123322203012 is a wasteful number, since it uses less digits than its factorization.

20123322203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56199971 (or 56199969 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20123322203012 its reverse (21030222332102), we get a palindrome (41153544535114).

The spelling of 20123322203012 in words is "twenty trillion, one hundred twenty-three billion, three hundred twenty-two million, two hundred three thousand, twelve".

Divisors: 1 2 4 7 14 28 12791 25582 51164 89537 179074 358148 56187169 112374338 224748676 393310183 786620366 1573240732 718690078679 1437380157358 2874760314716 5030830550753 10061661101506 20123322203012