Base | Representation |
---|---|
bin | 11101101001001111… |
… | …100011001011110110 |
3 | 10001011022121122121212 |
4 | 131221033203023312 |
5 | 1010142044030110 |
6 | 22342301041422 |
7 | 2204534255303 |
oct | 355117431366 |
9 | 101138548555 |
10 | 31830455030 |
11 | 12554509a90 |
12 | 6203b56272 |
13 | 300368929a |
14 | 177d5ac0aa |
15 | c6469ae05 |
hex | 7693e32f6 |
31830455030 has 64 divisors (see below), whose sum is σ = 62949519360. Its totient is φ = 11492419200.
The previous prime is 31830454993. The next prime is 31830455039. The reversal of 31830455030 is 3055403813.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31830455039) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9474491 + ... + 9477849.
It is an arithmetic number, because the mean of its divisors is an integer number (983586240).
Almost surely, 231830455030 is an apocalyptic number.
31830455030 is a deficient number, since it is larger than the sum of its proper divisors (31119064330).
31830455030 is a wasteful number, since it uses less digits than its factorization.
31830455030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3965.
The product of its (nonzero) digits is 21600, while the sum is 32.
Adding to 31830455030 its reverse (3055403813), we get a palindrome (34885858843).
The spelling of 31830455030 in words is "thirty-one billion, eight hundred thirty million, four hundred fifty-five thousand, thirty".
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