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20574755675 = 5213943913487
BaseRepresentation
bin10011001010010110…
…011101101101011011
31222002220000212210222
4103022112131231123
5314114114140200
613241340230255
71325601352265
oct231226355533
958086025728
1020574755675
1187a8a05511
123ba253b38b
131c2b7a5056
14dd277ab35
1580644dd85
hex4ca59db5b

20574755675 has 24 divisors (see below), whose sum is σ = 25756684800. Its totient is φ = 16302955680.

The previous prime is 20574755659. The next prime is 20574755681. The reversal of 20574755675 is 57655747502.

It is not a de Polignac number, because 20574755675 - 24 = 20574755659 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1518782 + ... + 1532268.

It is an arithmetic number, because the mean of its divisors is an integer number (1073195200).

Almost surely, 220574755675 is an apocalyptic number.

20574755675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20574755675 is a deficient number, since it is larger than the sum of its proper divisors (5181929125).

20574755675 is a wasteful number, since it uses less digits than its factorization.

20574755675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14075 (or 14070 counting only the distinct ones).

The product of its (nonzero) digits is 10290000, while the sum is 53.

The spelling of 20574755675 in words is "twenty billion, five hundred seventy-four million, seven hundred fifty-five thousand, six hundred seventy-five".

Divisors: 1 5 25 139 439 695 2195 3475 10975 13487 61021 67435 305105 337175 1525525 1874693 5920793 9373465 29603965 46867325 148019825 822990227 4114951135 20574755675