Base | Representation |
---|---|
bin | 11110111000101100000… |
… | …000101110000100010100 |
3 | 21111220102100022200012102 |
4 | 132320230000232010110 |
5 | 234233240232333140 |
6 | 4303012513141232 |
7 | 306225226201214 |
oct | 36705400560424 |
9 | 7456370280172 |
10 | 2122452230420 |
11 | 749143a51a15 |
12 | 2a3418b5a818 |
13 | 1251b97c3a52 |
14 | 74a27770244 |
15 | 3a3233c4e15 |
hex | 1ee2c02e114 |
2122452230420 has 24 divisors (see below), whose sum is σ = 4460268813000. Its totient is φ = 848386772352.
The previous prime is 2122452230387. The next prime is 2122452230441. The reversal of 2122452230420 is 240322542212.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 142341707524 + 1980110522896 = 377282^2 + 1407164^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37103195 + ... + 37160354.
It is an arithmetic number, because the mean of its divisors is an integer number (185844533875).
Almost surely, 22122452230420 is an apocalyptic number.
2122452230420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2122452230420 is an abundant number, since it is smaller than the sum of its proper divisors (2337816582580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122452230420 is a wasteful number, since it uses less digits than its factorization.
2122452230420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74264987 (or 74264985 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 29.
Adding to 2122452230420 its reverse (240322542212), we get a palindrome (2362774772632).
The spelling of 2122452230420 in words is "two trillion, one hundred twenty-two billion, four hundred fifty-two million, two hundred thirty thousand, four hundred twenty".
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