Base | Representation |
---|---|
bin | 1110010101111… |
… | …11111110001100 |
3 | 22101102002110201 |
4 | 13022333332030 |
5 | 221300331410 |
6 | 15534543244 |
7 | 2660510530 |
oct | 712777614 |
9 | 271362421 |
10 | 120323980 |
11 | 61a13207 |
12 | 34367b24 |
13 | 1bc0b52a |
14 | 11da1bc0 |
15 | a86b83a |
hex | 72bff8c |
120323980 has 48 divisors (see below), whose sum is σ = 289416960. Its totient is φ = 41162688.
The previous prime is 120323953. The next prime is 120323981. The reversal of 120323980 is 89323021.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is not an unprimeable number, because it can be changed into a prime (120323981) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102879 + ... + 104041.
It is an arithmetic number, because the mean of its divisors is an integer number (6029520).
Almost surely, 2120323980 is an apocalyptic number.
120323980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120323980 is an abundant number, since it is smaller than the sum of its proper divisors (169092980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120323980 is a wasteful number, since it uses less digits than its factorization.
120323980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1918 (or 1916 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 120323980 is about 10969.2287787246. The cubic root of 120323980 is about 493.6859067582.
The spelling of 120323980 in words is "one hundred twenty million, three hundred twenty-three thousand, nine hundred eighty".
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