Base | Representation |
---|---|
bin | 111100100010000… |
… | …0010100101111010 |
3 | 12020112212200121020 |
4 | 1321010002211322 |
5 | 13124430233310 |
6 | 533313323310 |
7 | 101222041065 |
oct | 17104024572 |
9 | 5215780536 |
10 | 2031102330 |
11 | 952560274 |
12 | 488266536 |
13 | 264a46cca |
14 | 153a738dc |
15 | bd4a8170 |
hex | 7910297a |
2031102330 has 48 divisors (see below), whose sum is σ = 5037036192. Its totient is φ = 524148000.
The previous prime is 2031102329. The next prime is 2031102347. The reversal of 2031102330 is 332011302.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6396 + ... + 64055.
It is an arithmetic number, because the mean of its divisors is an integer number (104938254).
Almost surely, 22031102330 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2031102330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2518518096).
2031102330 is an abundant number, since it is smaller than the sum of its proper divisors (3005933862).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031102330 is a wasteful number, since it uses less digits than its factorization.
2031102330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70523 (or 70492 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 2031102330 is about 45067.7526619644. The cubic root of 2031102330 is about 1266.4185641342.
Adding to 2031102330 its reverse (332011302), we get a palindrome (2363113632).
The spelling of 2031102330 in words is "two billion, thirty-one million, one hundred two thousand, three hundred thirty".
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