Base | Representation |
---|---|
bin | 10100011111010111… |
… | …001001111011000011 |
3 | 2002210021202121101201 |
4 | 110133113021323003 |
5 | 330024224001011 |
6 | 14035045442031 |
7 | 1406130262345 |
oct | 243727117303 |
9 | 62707677351 |
10 | 22001000131 |
11 | 936aa9a040 |
12 | 4320110317 |
13 | 20c8112296 |
14 | 10c9d61295 |
15 | 88b779cc1 |
hex | 51f5c9ec3 |
22001000131 has 16 divisors (see below), whose sum is σ = 24196456800. Its totient is φ = 19838488320.
The previous prime is 22001000123. The next prime is 22001000171. The reversal of 22001000131 is 13100010022.
It is a cyclic number.
It is not a de Polignac number, because 22001000131 - 23 = 22001000123 is a prime.
It is a super-2 number, since 2×220010001312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22001000171) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1192231 + ... + 1210543.
It is an arithmetic number, because the mean of its divisors is an integer number (1512278550).
Almost surely, 222001000131 is an apocalyptic number.
22001000131 is a deficient number, since it is larger than the sum of its proper divisors (2195456669).
22001000131 is a wasteful number, since it uses less digits than its factorization.
22001000131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19206.
The product of its (nonzero) digits is 12, while the sum is 10.
Adding to 22001000131 its reverse (13100010022), we get a palindrome (35101010153).
The spelling of 22001000131 in words is "twenty-two billion, one million, one hundred thirty-one", and thus it is an aban number.
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