Base | Representation |
---|---|
bin | 11100001000001011… |
… | …101001011100001000 |
3 | 2212221211110201001121 |
4 | 130020023221130020 |
5 | 443323210321440 |
6 | 21512530325024 |
7 | 2116302056635 |
oct | 341013513410 |
9 | 85854421047 |
10 | 30202042120 |
11 | 118992a1298 |
12 | 5a2a729774 |
13 | 2b041b5a53 |
14 | 16671dd18c |
15 | bbb73834a |
hex | 7082e9708 |
30202042120 has 64 divisors (see below), whose sum is σ = 68775091200. Its totient is φ = 11935468800.
The previous prime is 30202042099. The next prime is 30202042153. The reversal of 30202042120 is 2124020203.
It is a junction number, because it is equal to n+sod(n) for n = 30202042094 and 30202042103.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1927357 + ... + 1942963.
It is an arithmetic number, because the mean of its divisors is an integer number (1074610800).
Almost surely, 230202042120 is an apocalyptic number.
It is an amenable number.
30202042120 is an abundant number, since it is smaller than the sum of its proper divisors (38573049080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30202042120 is a wasteful number, since it uses less digits than its factorization.
30202042120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16198 (or 16194 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 30202042120 its reverse (2124020203), we get a palindrome (32326062323).
The spelling of 30202042120 in words is "thirty billion, two hundred two million, forty-two thousand, one hundred twenty".
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