Base | Representation |
---|---|
bin | 11100101101101100… |
… | …101001111010111010 |
3 | 2221120200211000212111 |
4 | 130231230221322322 |
5 | 1001120322424314 |
6 | 22055213002534 |
7 | 2141014005451 |
oct | 345554517272 |
9 | 87520730774 |
10 | 30831451834 |
11 | 12091607107 |
12 | 5b8548344a |
13 | 2ba470aa31 |
14 | 16c6a3db98 |
15 | c06b14ec4 |
hex | 72db29eba |
30831451834 has 16 divisors (see below), whose sum is σ = 47838823200. Its totient is φ = 14891172624.
The previous prime is 30831451831. The next prime is 30831451883. The reversal of 30831451834 is 43815413803.
It is not an unprimeable number, because it can be changed into a prime (30831451831) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1488424 + ... + 1508995.
It is an arithmetic number, because the mean of its divisors is an integer number (2989926450).
Almost surely, 230831451834 is an apocalyptic number.
30831451834 is a deficient number, since it is larger than the sum of its proper divisors (17007371366).
30831451834 is a wasteful number, since it uses less digits than its factorization.
30831451834 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2997597.
The product of its (nonzero) digits is 138240, while the sum is 40.
The spelling of 30831451834 in words is "thirty billion, eight hundred thirty-one million, four hundred fifty-one thousand, eight hundred thirty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.155 sec. • engine limits •