Base | Representation |
---|---|
bin | 10010111000111010… |
… | …010010000111010100 |
3 | 1221100111110020210120 |
4 | 102320322102013110 |
5 | 313014212433401 |
6 | 13152324551540 |
7 | 1315416322422 |
oct | 227072220724 |
9 | 57314406716 |
10 | 20282155476 |
11 | 8668825670 |
12 | 3b205525b0 |
13 | 1bb2c9843b |
14 | da5972112 |
15 | 7da902836 |
hex | 4b8e921d4 |
20282155476 has 48 divisors (see below), whose sum is σ = 51726194688. Its totient is φ = 6134335200.
The previous prime is 20282155463. The next prime is 20282155499. The reversal of 20282155476 is 67455128202.
It is a super-2 number, since 2×202821554762 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
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, 77860 + ... + 215931.
It is an arithmetic number, because the mean of its divisors is an integer number (1077629056).
Almost surely, 220282155476 is an apocalyptic number.
It is an amenable number.
20282155476 is an abundant number, since it is smaller than the sum of its proper divisors (31444039212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20282155476 is a wasteful number, since it uses less digits than its factorization.
20282155476 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294332 (or 294330 counting only the distinct ones).
The product of its (nonzero) digits is 268800, while the sum is 42.
The spelling of 20282155476 in words is "twenty billion, two hundred eighty-two million, one hundred fifty-five thousand, four hundred seventy-six".
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