Base | Representation |
---|---|
bin | 111111001011101… |
… | …0000001011111110 |
3 | 12110202012102100011 |
4 | 1332113100023332 |
5 | 13320211243310 |
6 | 550211253434 |
7 | 103351625260 |
oct | 17627201376 |
9 | 5422172304 |
10 | 2120024830 |
11 | 998776040 |
12 | 4b1baa27a |
13 | 27a2ac681 |
14 | 1617bdb30 |
15 | c61c078a |
hex | 7e5d02fe |
2120024830 has 32 divisors (see below), whose sum is σ = 4757667840. Its totient is φ = 660786720.
The previous prime is 2120024813. The next prime is 2120024833. The reversal of 2120024830 is 384200212.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120024833) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1375870 + ... + 1377409.
It is an arithmetic number, because the mean of its divisors is an integer number (148677120).
Almost surely, 22120024830 is an apocalyptic number.
2120024830 is an abundant number, since it is smaller than the sum of its proper divisors (2637643010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2120024830 is a wasteful number, since it uses less digits than its factorization.
2120024830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2753304.
The product of its (nonzero) digits is 768, while the sum is 22.
The square root of 2120024830 is about 46043.7273686655. The cubic root of 2120024830 is about 1284.6366730080.
The spelling of 2120024830 in words is "two billion, one hundred twenty million, twenty-four thousand, eight hundred thirty".
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