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20473474325 = 524571791989
BaseRepresentation
bin10011000100010100…
…000110110100010101
31221211211110020220212
4103010110012310111
5313412202134300
613223321335205
71323231442343
oct230424066425
957754406825
1020473474325
118756819317
123b74637505
131c13803265
14dc3134993
157ec5e4935
hex4c4506d15

20473474325 has 12 divisors (see below), whose sum is σ = 25442674020. Its totient is φ = 16342930560.

The previous prime is 20473474313. The next prime is 20473474361. The reversal of 20473474325 is 52347437402.

It can be written as a sum of positive squares in 6 ways, for example, as 2001130756 + 18472343569 = 44734^2 + 135913^2 .

It is not a de Polignac number, because 20473474325 - 230 = 19399732501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 884570 + ... + 907419.

It is an arithmetic number, because the mean of its divisors is an integer number (2120222835).

Almost surely, 220473474325 is an apocalyptic number.

20473474325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20473474325 is a deficient number, since it is larger than the sum of its proper divisors (4969199695).

20473474325 is a wasteful number, since it uses less digits than its factorization.

20473474325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792456 (or 1792451 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 41.

The spelling of 20473474325 in words is "twenty billion, four hundred seventy-three million, four hundred seventy-four thousand, three hundred twenty-five".

Divisors: 1 5 25 457 2285 11425 1791989 8959945 44799725 818938973 4094694865 20473474325