Base | Representation |
---|---|
bin | 110111111001001011… |
… | …0111111101001010000 |
3 | 102110211010001111210120 |
4 | 1233302112333221100 |
5 | 3431310214343440 |
6 | 131050252230240 |
7 | 11446314062532 |
oct | 1576226775120 |
9 | 373733044716 |
10 | 120030231120 |
11 | 469a4a33218 |
12 | 1b319a6b380 |
13 | b41b5405c7 |
14 | 5b49375852 |
15 | 31c7977dd0 |
hex | 1bf25bfa50 |
120030231120 has 40 divisors (see below), whose sum is σ = 372093717216. Its totient is φ = 32008061568.
The previous prime is 120030231091. The next prime is 120030231121. The reversal of 120030231120 is 21132030021.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 120030231120.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120030231121) 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, 250062742 + ... + 250063221.
Almost surely, 2120030231120 is an apocalyptic number.
120030231120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120030231120 is an abundant number, since it is smaller than the sum of its proper divisors (252063486096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120030231120 is a wasteful number, since it uses less digits than its factorization.
120030231120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 500125979 (or 500125973 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 120030231120 its reverse (21132030021), we get a palindrome (141162261141).
The spelling of 120030231120 in words is "one hundred twenty billion, thirty million, two hundred thirty-one thousand, one hundred twenty".
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