Base | Representation |
---|---|
bin | 100000011101111001001… |
… | …000001111011011101000 |
3 | 21220021220121100000200001 |
4 | 200131321020033123220 |
5 | 243023313234330440 |
6 | 4424543521352344 |
7 | 320123145021655 |
oct | 40357110173350 |
9 | 7807817300601 |
10 | 2231120230120 |
11 | 790238228531 |
12 | 3004a57986b4 |
13 | 1325170603a2 |
14 | 79db5aa2c2c |
15 | 3d0835aab9a |
hex | 2077920f6e8 |
2231120230120 has 64 divisors (see below), whose sum is σ = 5166979926480. Its totient is φ = 866427549696.
The previous prime is 2231120230111. The next prime is 2231120230123. The reversal of 2231120230120 is 210320211322.
It can be written as a sum of positive squares in 8 ways, for example, as 1345688161444 + 885432068676 = 1160038^2 + 940974^2 .
It is a super-3 number, since 3×22311202301203 (a number of 38 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (2231120230123) 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, 972999 + ... + 2325718.
Almost surely, 22231120230120 is an apocalyptic number.
2231120230120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2231120230120 is an abundant number, since it is smaller than the sum of its proper divisors (2935859696360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231120230120 is a wasteful number, since it uses less digits than its factorization.
2231120230120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3299222 (or 3299218 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 2231120230120 its reverse (210320211322), we get a palindrome (2441440441442).
The spelling of 2231120230120 in words is "two trillion, two hundred thirty-one billion, one hundred twenty million, two hundred thirty thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.101 sec. • engine limits •