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20107744401 = 340195317539
BaseRepresentation
bin10010101110100000…
…111101010010010001
31220220100021020210010
4102232200331102101
5312140040310101
613123134425133
71311201002343
oct225640752221
956810236703
1020107744401
11858932aa88
123a920621a9
131b85b00414
14d8a731293
157ca4502d6
hex4ae83d491

20107744401 has 16 divisors (see below), whose sum is σ = 26906921280. Its totient is φ = 13356940800.

The previous prime is 20107744373. The next prime is 20107744417. The reversal of 20107744401 is 10444770102.

It is not a de Polignac number, because 20107744401 - 29 = 20107743889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20107744001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1137690 + ... + 1155228.

It is an arithmetic number, because the mean of its divisors is an integer number (1681682580).

Almost surely, 220107744401 is an apocalyptic number.

It is an amenable number.

20107744401 is a deficient number, since it is larger than the sum of its proper divisors (6799176879).

20107744401 is a wasteful number, since it uses less digits than its factorization.

20107744401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18896.

The product of its (nonzero) digits is 6272, while the sum is 30.

The spelling of 20107744401 in words is "twenty billion, one hundred seven million, seven hundred forty-four thousand, four hundred one".

Divisors: 1 3 401 953 1203 2859 17539 52617 382153 1146459 7033139 16714667 21099417 50144001 6702581467 20107744401