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20896915741 = 132460326863
BaseRepresentation
bin10011011101100011…
…011010000100011101
31222221100020022100021
4103131203122010131
5320244102300431
613333325232141
71336562565412
oct233543320435
958840208307
1020896915741
1189538450a9
124072402651
131c80461500
14102347c109
15824888b11
hex4dd8da11d

20896915741 has 12 divisors (see below), whose sum is σ = 22633779648. Its totient is φ = 19284552144.

The previous prime is 20896915709. The next prime is 20896915751. The reversal of 20896915741 is 14751969802.

It is not a de Polignac number, because 20896915741 - 25 = 20896915709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20896915751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 764476 + ... + 791338.

It is an arithmetic number, because the mean of its divisors is an integer number (1886148304).

Almost surely, 220896915741 is an apocalyptic number.

It is an amenable number.

20896915741 is a deficient number, since it is larger than the sum of its proper divisors (1736863907).

20896915741 is a wasteful number, since it uses less digits than its factorization.

20896915741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31492 (or 31479 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 20896915741 in words is "twenty billion, eight hundred ninety-six million, nine hundred fifteen thousand, seven hundred forty-one".

Divisors: 1 13 169 4603 26863 59839 349219 777907 4539847 123650389 1607455057 20896915741