Base | Representation |
---|---|
bin | 1110011011000… |
… | …10101001111010 |
3 | 22102122221112100 |
4 | 13031202221322 |
5 | 221433142310 |
6 | 20001124230 |
7 | 2666254326 |
oct | 715425172 |
9 | 272587470 |
10 | 120990330 |
11 | 6232890a |
12 | 34629676 |
13 | 1c0b2916 |
14 | 120d6986 |
15 | a94dec0 |
hex | 7362a7a |
120990330 has 24 divisors (see below), whose sum is σ = 314575092. Its totient is φ = 32264064.
The previous prime is 120990329. The next prime is 120990371. The reversal of 120990330 is 33099021.
It can be written as a sum of positive squares in 2 ways, for example, as 119968209 + 1022121 = 10953^2 + 1011^2 .
It is a junction number, because it is equal to n+sod(n) for n = 120990294 and 120990303.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 672079 + ... + 672258.
Almost surely, 2120990330 is an apocalyptic number.
120990330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
120990330 is an abundant number, since it is smaller than the sum of its proper divisors (193584762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120990330 is a wasteful number, since it uses less digits than its factorization.
120990330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1344350 (or 1344347 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 27.
The square root of 120990330 is about 10999.5604457633. The cubic root of 120990330 is about 494.5955680329.
The spelling of 120990330 in words is "one hundred twenty million, nine hundred ninety thousand, three hundred thirty".
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