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20412001312 = 25679520523
BaseRepresentation
bin10011000000101001…
…100110110000100000
31221200112210002210121
4103000221212300200
5313300433020222
613213244010024
71321554101623
oct230051466040
957615702717
1020412001312
11872505177a
123b57b30914
131c03b5b9b1
14db8cd1dba
157e70005c7
hex4c0a66c20

20412001312 has 24 divisors (see below), whose sum is σ = 40785924816. Its totient is φ = 10053671232.

The previous prime is 20412001301. The next prime is 20412001319. The reversal of 20412001312 is 21310021402.

It is a super-2 number, since 2×204120013122 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (20412001319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4758118 + ... + 4762405.

It is an arithmetic number, because the mean of its divisors is an integer number (1699413534).

Almost surely, 220412001312 is an apocalyptic number.

It is an amenable number.

20412001312 is a deficient number, since it is larger than the sum of its proper divisors (20373923504).

20412001312 is an equidigital number, since it uses as much as digits as its factorization.

20412001312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9520600 (or 9520592 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20412001312 its reverse (21310021402), we get a palindrome (41722022714).

The spelling of 20412001312 in words is "twenty billion, four hundred twelve million, one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 67 134 268 536 1072 2144 9520523 19041046 38082092 76164184 152328368 304656736 637875041 1275750082 2551500164 5103000328 10206000656 20412001312