Base | Representation |
---|---|
bin | 10011000011000011… |
… | …100011101110101000 |
3 | 1221210100201111020202 |
4 | 103003003203232220 |
5 | 313341300442310 |
6 | 13221245011332 |
7 | 1322554120016 |
oct | 230303435650 |
9 | 57710644222 |
10 | 20452359080 |
11 | 87459070aa |
12 | 3b69553b48 |
13 | 1c0c31c32a |
14 | dc03d98b6 |
15 | 7ea8233a5 |
hex | 4c30e3ba8 |
20452359080 has 16 divisors (see below), whose sum is σ = 46017808020. Its totient is φ = 8180943616.
The previous prime is 20452359077. The next prime is 20452359113. The reversal of 20452359080 is 8095325402.
It can be written as a sum of positive squares in 2 ways, for example, as 19772296996 + 680062084 = 140614^2 + 26078^2 .
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, 255654449 + ... + 255654528.
Almost surely, 220452359080 is an apocalyptic number.
20452359080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20452359080 is an abundant number, since it is smaller than the sum of its proper divisors (25565448940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20452359080 is a wasteful number, since it uses less digits than its factorization.
20452359080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 511308988 (or 511308984 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 38.
The spelling of 20452359080 in words is "twenty billion, four hundred fifty-two million, three hundred fifty-nine thousand, eighty".
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