Base | Representation |
---|---|
bin | 101111100110011101… |
… | …0011100110101011011 |
3 | 100202212000221212000210 |
4 | 1133030322130311123 |
5 | 3133322330403311 |
6 | 114543222502203 |
7 | 10246105463160 |
oct | 1371472346533 |
9 | 322760855023 |
10 | 102222122331 |
11 | 3a3967a553a |
12 | 17989b94963 |
13 | 9840cb8524 |
14 | 4d3a21a067 |
15 | 29d43763a6 |
hex | 17cce9cd5b |
102222122331 has 32 divisors (see below), whose sum is σ = 163380787200. Its totient is φ = 55624669056.
The previous prime is 102222122309. The next prime is 102222122333. The reversal of 102222122331 is 133221222201.
It is not a de Polignac number, because 102222122331 - 218 = 102221860187 is a prime.
It is a super-2 number, since 2×1022221223312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 102222122298 and 102222122307.
It is not an unprimeable number, because it can be changed into a prime (102222122333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1363056 + ... + 1436093.
It is an arithmetic number, because the mean of its divisors is an integer number (5105649600).
Almost surely, 2102222122331 is an apocalyptic number.
102222122331 is a deficient number, since it is larger than the sum of its proper divisors (61158664869).
102222122331 is a wasteful number, since it uses less digits than its factorization.
102222122331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2799243.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 102222122331 its reverse (133221222201), we get a palindrome (235443344532).
The spelling of 102222122331 in words is "one hundred two billion, two hundred twenty-two million, one hundred twenty-two thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •