Base | Representation |
---|---|
bin | 10011010010100110… |
… | …000111110111000010 |
3 | 1222110112022101122211 |
4 | 103102212013313002 |
5 | 314410022000320 |
6 | 13303201052334 |
7 | 1332201155056 |
oct | 232246076702 |
9 | 58415271584 |
10 | 20713078210 |
11 | 8869aa1260 |
12 | 40209270aa |
13 | 1c513459c6 |
14 | 1006ca5c66 |
15 | 81367355a |
hex | 4d2987dc2 |
20713078210 has 32 divisors (see below), whose sum is σ = 40760900352. Its totient is φ = 7515742080.
The previous prime is 20713078157. The next prime is 20713078219. The reversal of 20713078210 is 1287031702.
It is not an unprimeable number, because it can be changed into a prime (20713078219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152419 + ... + 254278.
It is an arithmetic number, because the mean of its divisors is an integer number (1273778136).
Almost surely, 220713078210 is an apocalyptic number.
20713078210 is a deficient number, since it is larger than the sum of its proper divisors (20047822142).
20713078210 is a wasteful number, since it uses less digits than its factorization.
20713078210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 407178.
The product of its (nonzero) digits is 4704, while the sum is 31.
The spelling of 20713078210 in words is "twenty billion, seven hundred thirteen million, seventy-eight thousand, two hundred ten".
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