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20514475112 = 235943462871
BaseRepresentation
bin10011000110110000…
…100000110001101000
31221221200121022102112
4103012300200301220
5314003201200422
613231344221452
71324240106225
oct230660406150
957850538375
1020514475112
11877798286a
123b8630a888
131c1c15a491
14dc876894c
15800ee2ee2
hex4c6c20c68

20514475112 has 16 divisors (see below), whose sum is σ = 39116584800. Its totient is φ = 10083385840.

The previous prime is 20514475073. The next prime is 20514475117. The reversal of 20514475112 is 21157441502.

It is not an unprimeable number, because it can be changed into a prime (20514475117) by changing a digit.

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, 21730964 + ... + 21731907.

It is an arithmetic number, because the mean of its divisors is an integer number (2444786550).

Almost surely, 220514475112 is an apocalyptic number.

It is an amenable number.

20514475112 is a deficient number, since it is larger than the sum of its proper divisors (18602109688).

20514475112 is a wasteful number, since it uses less digits than its factorization.

20514475112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43462936 (or 43462932 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The spelling of 20514475112 in words is "twenty billion, five hundred fourteen million, four hundred seventy-five thousand, one hundred twelve".

Divisors: 1 2 4 8 59 118 236 472 43462871 86925742 173851484 347702968 2564309389 5128618778 10257237556 20514475112