Base | Representation |
---|---|
bin | 1001010011110100110101… |
… | …10000001110010010111100 |
3 | 2200111010212111002122111222 |
4 | 10221322122300032102330 |
5 | 10140404444034343333 |
6 | 111312521233532512 |
7 | 4212040262514443 |
oct | 451723260162274 |
9 | 80433774078458 |
10 | 20472410465468 |
11 | 6583333aa1925 |
12 | 2367834a14138 |
13 | b5670357aa40 |
14 | 50ac2721bd5a |
15 | 2578037d2298 |
hex | 129e9ac0e4bc |
20472410465468 has 12 divisors (see below), whose sum is σ = 38582619723480. Its totient is φ = 9448804830192.
The previous prime is 20472410465453. The next prime is 20472410465477. The reversal of 20472410465468 is 86456401427402.
It is a congruent number.
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, 196850100578 + ... + 196850100681.
It is an arithmetic number, because the mean of its divisors is an integer number (3215218310290).
Almost surely, 220472410465468 is an apocalyptic number.
It is an amenable number.
20472410465468 is a deficient number, since it is larger than the sum of its proper divisors (18110209258012).
20472410465468 is a wasteful number, since it uses less digits than its factorization.
20472410465468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 393700201276 (or 393700201274 counting only the distinct ones).
The product of its (nonzero) digits is 10321920, while the sum is 53.
The spelling of 20472410465468 in words is "twenty trillion, four hundred seventy-two billion, four hundred ten million, four hundred sixty-five thousand, four hundred sixty-eight".
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