Base | Representation |
---|---|
bin | 100001011000011… |
… | …1010111111111110 |
3 | 2220001201000220200 |
4 | 1002300322333332 |
5 | 4243222331310 |
6 | 303052024330 |
7 | 36520604253 |
oct | 10260727776 |
9 | 2801630820 |
10 | 1120120830 |
11 | 5253083a4 |
12 | 2731620a6 |
13 | 14b0a70ba |
14 | a8a9942a |
15 | 6850c9c0 |
hex | 42c3affe |
1120120830 has 48 divisors (see below), whose sum is σ = 3006267264. Its totient is φ = 289062720.
The previous prime is 1120120829. The next prime is 1120120843. The reversal of 1120120830 is 380210211.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 197949 + ... + 203528.
It is an arithmetic number, because the mean of its divisors is an integer number (62630568).
Almost surely, 21120120830 is an apocalyptic number.
1120120830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1120120830 is an abundant number, since it is smaller than the sum of its proper divisors (1886146434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1120120830 is a wasteful number, since it uses less digits than its factorization.
1120120830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 401521 (or 401518 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
The square root of 1120120830 is about 33468.2062560873. The cubic root of 1120120830 is about 1038.5361648048.
The spelling of 1120120830 in words is "one billion, one hundred twenty million, one hundred twenty thousand, eight hundred thirty".
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