Base | Representation |
---|---|
bin | 10100110011000010… |
… | …110001001000011111 |
3 | 2010122022002111111122 |
4 | 110303002301020133 |
5 | 331213241400111 |
6 | 14131523041155 |
7 | 1420250032310 |
oct | 246302611037 |
9 | 63568074448 |
10 | 22331200031 |
11 | 951a420118 |
12 | 43b28101bb |
13 | 214b65503a |
14 | 111bb56607 |
15 | 8aa751cdb |
hex | 5330b121f |
22331200031 has 16 divisors (see below), whose sum is σ = 25985213184. Its totient is φ = 18794977344.
The previous prime is 22331199967. The next prime is 22331200033. The reversal of 22331200031 is 13000213322.
It is a cyclic number.
It is not a de Polignac number, because 22331200031 - 26 = 22331199967 is a prime.
It is a super-2 number, since 2×223312000312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22331199982 and 22331200009.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22331200033) 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, 70736 + ... + 222858.
It is an arithmetic number, because the mean of its divisors is an integer number (1624075824).
Almost surely, 222331200031 is an apocalyptic number.
22331200031 is a deficient number, since it is larger than the sum of its proper divisors (3654013153).
22331200031 is a wasteful number, since it uses less digits than its factorization.
22331200031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152510.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 22331200031 its reverse (13000213322), we get a palindrome (35331413353).
The spelling of 22331200031 in words is "twenty-two billion, three hundred thirty-one million, two hundred thousand, thirty-one".
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