Base | Representation |
---|---|
bin | 10011000100011011… |
… | …101010011001100100 |
3 | 1221211222011220000000 |
4 | 103010123222121210 |
5 | 313413204030301 |
6 | 13223432021300 |
7 | 1323254332206 |
oct | 230433523144 |
9 | 57758156000 |
10 | 20475455076 |
11 | 87579514aa |
12 | 3b75231830 |
13 | 1c140479bb |
14 | dc34cc776 |
15 | 7ec886786 |
hex | 4c46ea664 |
20475455076 has 48 divisors (see below), whose sum is σ = 53739900480. Its totient is φ = 6825148776.
The previous prime is 20475455057. The next prime is 20475455101. The reversal of 20475455076 is 67055457402.
20475455076 is a `hidden beast` number, since 2 + 0 + 47 + 54 + 550 + 7 + 6 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161546 + ... + 1179041.
It is an arithmetic number, because the mean of its divisors is an integer number (1119581260).
Almost surely, 220475455076 is an apocalyptic number.
It is an amenable number.
20475455076 is an abundant number, since it is smaller than the sum of its proper divisors (33264445404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20475455076 is an equidigital number, since it uses as much as digits as its factorization.
20475455076 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2340612 (or 2340592 counting only the distinct ones).
The product of its (nonzero) digits is 1176000, while the sum is 45.
The spelling of 20475455076 in words is "twenty billion, four hundred seventy-five million, four hundred fifty-five thousand, seventy-six".
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