Base | Representation |
---|---|
bin | 10010111010001100… |
… | …101101011110111110 |
3 | 1221102000010001021200 |
4 | 102322030231132332 |
5 | 313040230412030 |
6 | 13154420040330 |
7 | 1316101066311 |
oct | 227214553676 |
9 | 57360101250 |
10 | 20303763390 |
11 | 8679a43a49 |
12 | 3b278330a6 |
13 | 1bb75c26a1 |
14 | da8798978 |
15 | 7dc76ed60 |
hex | 4ba32d7be |
20303763390 has 24 divisors (see below), whose sum is σ = 52789785048. Its totient is φ = 5414336880.
The previous prime is 20303763373. The next prime is 20303763407. The reversal of 20303763390 is 9336730302.
20303763390 is a `hidden beast` number, since 203 + 0 + 3 + 7 + 63 + 390 = 666.
It is an interprime number because it is at equal distance from previous prime (20303763373) and next prime (20303763407).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112798596 + ... + 112798775.
It is an arithmetic number, because the mean of its divisors is an integer number (2199574377).
Almost surely, 220303763390 is an apocalyptic number.
20303763390 is an abundant number, since it is smaller than the sum of its proper divisors (32486021658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20303763390 is a wasteful number, since it uses less digits than its factorization.
20303763390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 225597384 (or 225597381 counting only the distinct ones).
The product of its (nonzero) digits is 61236, while the sum is 36.
The spelling of 20303763390 in words is "twenty billion, three hundred three million, seven hundred sixty-three thousand, three hundred ninety".
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