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20476526736 = 243426594307
BaseRepresentation
bin10011000100011111…
…110000000010010000
31221212001012100001010
4103010133300002100
5313413442323421
613223511010520
71323266414451
oct230437600220
957761170033
1020476526736
118758513676
123b75669a40
131c14331713
14dc36cb128
157ec9e9076
hex4c47f0090

20476526736 has 20 divisors (see below), whose sum is σ = 52897694192. Its totient is φ = 6825508896.

The previous prime is 20476526723. The next prime is 20476526743. The reversal of 20476526736 is 63762567402.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 426594307 = 20476526736 / (2 + 0 + 4 + 7 + 6 + 5 + 2 + 6 + 7 + 3 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213297106 + ... + 213297201.

Almost surely, 220476526736 is an apocalyptic number.

It is an amenable number.

20476526736 is an abundant number, since it is smaller than the sum of its proper divisors (32421167456).

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

20476526736 is a wasteful number, since it uses less digits than its factorization.

20476526736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426594318 (or 426594312 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 20476526736 in words is "twenty billion, four hundred seventy-six million, five hundred twenty-six thousand, seven hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 426594307 853188614 1279782921 1706377228 2559565842 3412754456 5119131684 6825508912 10238263368 20476526736