Base | Representation |
---|---|
bin | 10011001000011100… |
… | …011000100110000000 |
3 | 1222000122210222121100 |
4 | 103020130120212000 |
5 | 314032421100102 |
6 | 13234234254400 |
7 | 1325032343415 |
oct | 231034304600 |
9 | 58018728540 |
10 | 20542753152 |
11 | 8791937549 |
12 | 3b93887400 |
13 | 1c24c7b74c |
14 | dcc40a10c |
15 | 80372ba1c |
hex | 4c8718980 |
20542753152 has 96 divisors (see below), whose sum is σ = 59996434680. Its totient is φ = 6745356288.
The previous prime is 20542753151. The next prime is 20542753159. The reversal of 20542753152 is 25135724502.
20542753152 is a `hidden beast` number, since 2 + 0 + 54 + 27 + 531 + 52 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20542753151) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55893 + ... + 210260.
Almost surely, 220542753152 is an apocalyptic number.
It is an amenable number.
20542753152 is an abundant number, since it is smaller than the sum of its proper divisors (39453681528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20542753152 is a wasteful number, since it uses less digits than its factorization.
20542753152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 266240 (or 266225 counting only the distinct ones).
The product of its (nonzero) digits is 84000, while the sum is 36.
The spelling of 20542753152 in words is "twenty billion, five hundred forty-two million, seven hundred fifty-three thousand, one hundred fifty-two".
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