Base | Representation |
---|---|
bin | 110111111001001011… |
… | …0100101010001111100 |
3 | 102110211002212000200000 |
4 | 1233302112211101330 |
5 | 3431310202420012 |
6 | 131050250034300 |
7 | 11446313132643 |
oct | 1576226452174 |
9 | 373732760600 |
10 | 120030123132 |
11 | 469a496a077 |
12 | 1b319a18990 |
13 | b41b5033ca |
14 | 5b4934835a |
15 | 31c7955ddc |
hex | 1bf25a547c |
120030123132 has 36 divisors (see below), whose sum is σ = 314646868536. Its totient is φ = 40010040720.
The previous prime is 120030123131. The next prime is 120030123179. The reversal of 120030123132 is 231321030021.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120030123131) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61742919 + ... + 61744862.
Almost surely, 2120030123132 is an apocalyptic number.
120030123132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
120030123132 is an abundant number, since it is smaller than the sum of its proper divisors (194616745404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120030123132 is a wasteful number, since it uses less digits than its factorization.
120030123132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123487800 (or 123487786 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 120030123132 its reverse (231321030021), we get a palindrome (351351153153).
The spelling of 120030123132 in words is "one hundred twenty billion, thirty million, one hundred twenty-three thousand, one hundred thirty-two".
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