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20064571052 = 2215091332393
BaseRepresentation
bin10010101011111100…
…010000111010101100
31220210100000211002012
4102223330100322230
5312043012233202
613114553220352
71310135016461
oct225374207254
956710024065
1020064571052
118566a22229
123a7b7016b8
131b79b95366
14d84ad3668
157c6773152
hex4abf10eac

20064571052 has 12 divisors (see below), whose sum is σ = 35115431736. Its totient is φ = 10031590560.

The previous prime is 20064571039. The next prime is 20064571057. The reversal of 20064571052 is 25017546002.

It is not an unprimeable number, because it can be changed into a prime (20064571057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105833 + ... + 226560.

It is an arithmetic number, because the mean of its divisors is an integer number (2926285978).

Almost surely, 220064571052 is an apocalyptic number.

It is an amenable number.

20064571052 is a deficient number, since it is larger than the sum of its proper divisors (15050860684).

20064571052 is a wasteful number, since it uses less digits than its factorization.

20064571052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347488 (or 347486 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 20064571052 in words is "twenty billion, sixty-four million, five hundred seventy-one thousand, fifty-two".

Divisors: 1 2 4 15091 30182 60364 332393 664786 1329572 5016142763 10032285526 20064571052