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20425053702 = 233404175617
BaseRepresentation
bin10011000001011011…
…011001011000000110
31221201110100020022110
4103001123121120012
5313312303204302
613214431441450
71322103043344
oct230133313006
957643306273
1020425053702
118731457179
123b60386286
131c0677b9c1
14dba92c994
157e822cb6c
hex4c16d9606

20425053702 has 8 divisors (see below), whose sum is σ = 40850107416. Its totient is φ = 6808351232.

The previous prime is 20425053697. The next prime is 20425053757. The reversal of 20425053702 is 20735052402.

It is a sphenic number, since it is the product of 3 distinct primes.

20425053702 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20425053702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702087803 + ... + 1702087814.

It is an arithmetic number, because the mean of its divisors is an integer number (5106263427).

Almost surely, 220425053702 is an apocalyptic number.

20425053702 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20425053702 is a wasteful number, since it uses less digits than its factorization.

20425053702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404175622.

The product of its (nonzero) digits is 16800, while the sum is 30.

The spelling of 20425053702 in words is "twenty billion, four hundred twenty-five million, fifty-three thousand, seven hundred two".

Divisors: 1 2 3 6 3404175617 6808351234 10212526851 20425053702