Base | Representation |
---|---|
bin | 10100011111111010… |
… | …011000000011000111 |
3 | 2002210221010200112222 |
4 | 110133322120003013 |
5 | 330034104424111 |
6 | 14040015402555 |
7 | 1406301615413 |
oct | 243772300307 |
9 | 62727120488 |
10 | 22010233031 |
11 | 9375225936 |
12 | 432322345b |
13 | 20c9cc5937 |
14 | 10cb285d43 |
15 | 88c4a07db |
hex | 51fe980c7 |
22010233031 has 6 divisors (see below), whose sum is σ = 22621183200. Its totient is φ = 21415360536.
The previous prime is 22010232997. The next prime is 22010233067. The reversal of 22010233031 is 13033201022.
It is not a de Polignac number, because 22010233031 - 214 = 22010216647 is a prime.
It is a super-2 number, since 2×220102330312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22010233331) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8037431 + ... + 8040168.
It is an arithmetic number, because the mean of its divisors is an integer number (3770197200).
Almost surely, 222010233031 is an apocalyptic number.
22010233031 is a deficient number, since it is larger than the sum of its proper divisors (610950169).
22010233031 is an equidigital number, since it uses as much as digits as its factorization.
22010233031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16077673 (or 16077636 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 22010233031 its reverse (13033201022), we get a palindrome (35043434053).
The spelling of 22010233031 in words is "twenty-two billion, ten million, two hundred thirty-three thousand, thirty-one".
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