Base | Representation |
---|---|
bin | 11101101101111101111… |
… | …010110101110101001000 |
3 | 21020020022222001211122201 |
4 | 131231331322311311020 |
5 | 231424432320324230 |
6 | 4202103413525544 |
7 | 300355110641506 |
oct | 35557572656510 |
9 | 7206288054581 |
10 | 2042222042440 |
11 | 718113114238 |
12 | 28b9680438b4 |
13 | 11a771a95238 |
14 | 70bb61d5676 |
15 | 381c9ad75ca |
hex | 1db7deb5d48 |
2042222042440 has 64 divisors (see below), whose sum is σ = 4630648176000. Its totient is φ = 810552837120.
The previous prime is 2042222042437. The next prime is 2042222042527. The reversal of 2042222042440 is 442402222402.
It is a super-2 number, since 2×20422220424402 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2042222042399 and 2042222042408.
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, 53895421 + ... + 53933299.
It is an arithmetic number, because the mean of its divisors is an integer number (72353877750).
Almost surely, 22042222042440 is an apocalyptic number.
2042222042440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2042222042440 is an abundant number, since it is smaller than the sum of its proper divisors (2588426133560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2042222042440 is a wasteful number, since it uses less digits than its factorization.
2042222042440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48310 (or 48306 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 28.
Adding to 2042222042440 its reverse (442402222402), we get a palindrome (2484624264842).
The spelling of 2042222042440 in words is "two trillion, forty-two billion, two hundred twenty-two million, forty-two thousand, four hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •