Base | Representation |
---|---|
bin | 10010110101011110… |
… | …011011011100101111 |
3 | 1221012111000011120112 |
4 | 102311132123130233 |
5 | 312404434201111 |
6 | 13142505410235 |
7 | 1314116413040 |
oct | 226536333457 |
9 | 57174004515 |
10 | 20224522031 |
11 | 863924081a |
12 | 3b0519997b |
13 | 1ba40696cc |
14 | d9c04c8c7 |
15 | 7d581ae8b |
hex | 4b579b72f |
20224522031 has 32 divisors (see below), whose sum is σ = 23899276800. Its totient is φ = 16757452800.
The previous prime is 20224521997. The next prime is 20224522057. The reversal of 20224522031 is 13022542202.
It is a cyclic number.
It is not a de Polignac number, because 20224522031 - 210 = 20224521007 is a prime.
It is a super-2 number, since 2×202245220312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20224521988 and 20224522006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20224572031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12631631 + ... + 12633231.
It is an arithmetic number, because the mean of its divisors is an integer number (746852400).
Almost surely, 220224522031 is an apocalyptic number.
20224522031 is a deficient number, since it is larger than the sum of its proper divisors (3674754769).
20224522031 is a wasteful number, since it uses less digits than its factorization.
20224522031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2159.
The product of its (nonzero) digits is 1920, while the sum is 23.
The spelling of 20224522031 in words is "twenty billion, two hundred twenty-four million, five hundred twenty-two thousand, thirty-one".
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