Base | Representation |
---|---|
bin | 111000111101110000… |
… | …0100100110100111110 |
3 | 102200202110202220221110 |
4 | 1301323200210310332 |
5 | 4001013243040220 |
6 | 132110450342450 |
7 | 11560324136664 |
oct | 1617340446476 |
9 | 380673686843 |
10 | 122331221310 |
11 | 47975870201 |
12 | 1b86058aa26 |
13 | b6c717136c |
14 | 5cc6bc0c34 |
15 | 32ae992be0 |
hex | 1c7b824d3e |
122331221310 has 32 divisors (see below), whose sum is σ = 293998828032. Its totient is φ = 32576781600.
The previous prime is 122331221297. The next prime is 122331221339. The reversal of 122331221310 is 13122133221.
It is a super-2 number, since 2×1223312213102 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2782666 + ... + 2826285.
It is an arithmetic number, because the mean of its divisors is an integer number (9187463376).
Almost surely, 2122331221310 is an apocalyptic number.
122331221310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122331221310 is an abundant number, since it is smaller than the sum of its proper divisors (171667606722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122331221310 is a wasteful number, since it uses less digits than its factorization.
122331221310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5609688.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 122331221310 its reverse (13122133221), we get a palindrome (135453354531).
The spelling of 122331221310 in words is "one hundred twenty-two billion, three hundred thirty-one million, two hundred twenty-one thousand, three hundred ten".
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