Base | Representation |
---|---|
bin | 111111001100001… |
… | …1011000010100110 |
3 | 12110202202222220201 |
4 | 1332120123002212 |
5 | 13320301101210 |
6 | 550222021114 |
7 | 103354343200 |
oct | 17630330246 |
9 | 5422688821 |
10 | 2120331430 |
11 | 998965428 |
12 | 4b211779a |
13 | 27a3890a9 |
14 | 16185d770 |
15 | c623153a |
hex | 7e61b0a6 |
2120331430 has 48 divisors (see below), whose sum is σ = 4469272416. Its totient is φ = 722131200.
The previous prime is 2120331413. The next prime is 2120331431. The reversal of 2120331430 is 341330212.
It is a junction number, because it is equal to n+sod(n) for n = 2120331398 and 2120331407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120331431) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59662 + ... + 88318.
It is an arithmetic number, because the mean of its divisors is an integer number (93109842).
Almost surely, 22120331430 is an apocalyptic number.
2120331430 is an abundant number, since it is smaller than the sum of its proper divisors (2348940986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2120331430 is a wasteful number, since it uses less digits than its factorization.
2120331430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28829 (or 28822 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 2120331430 is about 46047.0566920406. The cubic root of 2120331430 is about 1284.6985984805.
Adding to 2120331430 its reverse (341330212), we get a palindrome (2461661642).
The spelling of 2120331430 in words is "two billion, one hundred twenty million, three hundred thirty-one thousand, four hundred thirty".
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