Base | Representation |
---|---|
bin | 100000010011101111100… |
… | …011010010101110100111 |
3 | 21212020210002122020022102 |
4 | 200103233203102232213 |
5 | 242334003331143421 |
6 | 4415542253322315 |
7 | 316256113506365 |
oct | 40235743225647 |
9 | 7766702566272 |
10 | 2220222131111 |
11 | 78665556a436 |
12 | 2ba363a9639b |
13 | 13149b2938aa |
14 | 7966055a635 |
15 | 3cb4694960b |
hex | 204ef8d2ba7 |
2220222131111 has 16 divisors (see below), whose sum is σ = 2280280089600. Its totient is φ = 2160970812000.
The previous prime is 2220222131089. The next prime is 2220222131117. The reversal of 2220222131111 is 1111312220222.
It is a cyclic number.
It is not a de Polignac number, because 2220222131111 - 226 = 2220155022247 is a prime.
It is a super-2 number, since 2×22202221311112 (a number of 25 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 (2220222131117) 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, 55514720 + ... + 55554698.
It is an arithmetic number, because the mean of its divisors is an integer number (142517505600).
Almost surely, 22220222131111 is an apocalyptic number.
2220222131111 is a deficient number, since it is larger than the sum of its proper divisors (60057958489).
2220222131111 is an equidigital number, since it uses as much as digits as its factorization.
2220222131111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50030.
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 2220222131111 its reverse (1111312220222), we get a palindrome (3331534351333).
The spelling of 2220222131111 in words is "two trillion, two hundred twenty billion, two hundred twenty-two million, one hundred thirty-one thousand, one hundred eleven".
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