Base | Representation |
---|---|
bin | 1001010011111010100010… |
… | …10001110100111011001000 |
3 | 2200111102202220021200122121 |
4 | 10221331101101310323020 |
5 | 10140432232004242002 |
6 | 111314145144501024 |
7 | 4212206205356020 |
oct | 451752121647310 |
9 | 80442686250577 |
10 | 20475472727752 |
11 | 65846656188a9 |
12 | 236834a47a774 |
13 | b56aa0b21b63 |
14 | 50b037bd0a80 |
15 | 257932574237 |
hex | 129f51474ec8 |
20475472727752 has 16 divisors (see below), whose sum is σ = 43876012988160. Its totient is φ = 8775202597584.
The previous prime is 20475472727627. The next prime is 20475472727779. The reversal of 20475472727752 is 25772727457402.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182816720728 + ... + 182816720839.
It is an arithmetic number, because the mean of its divisors is an integer number (2742250811760).
Almost surely, 220475472727752 is an apocalyptic number.
It is an amenable number.
20475472727752 is an abundant number, since it is smaller than the sum of its proper divisors (23400540260408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20475472727752 is a wasteful number, since it uses less digits than its factorization.
20475472727752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 365633441580 (or 365633441576 counting only the distinct ones).
The product of its (nonzero) digits is 107564800, while the sum is 61.
The spelling of 20475472727752 in words is "twenty trillion, four hundred seventy-five billion, four hundred seventy-two million, seven hundred twenty-seven thousand, seven hundred fifty-two".
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