Base | Representation |
---|---|
bin | 11100000010001111… |
… | …001010110110000000 |
3 | 2212200212210101110001 |
4 | 130002033022312000 |
5 | 443122142131310 |
6 | 21455004445344 |
7 | 2113651226434 |
oct | 340217126600 |
9 | 85625711401 |
10 | 30102302080 |
11 | 11847a68104 |
12 | 5a01249854 |
13 | 2ab9633686 |
14 | 1657c789c4 |
15 | bb2ad593a |
hex | 7023cad80 |
30102302080 has 64 divisors (see below), whose sum is σ = 72662148000. Its totient is φ = 11923992576.
The previous prime is 30102302071. The next prime is 30102302173. The reversal of 30102302080 is 8020320103.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (64).
It is a super-2 number, since 2×301023020802 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162405 + ... + 294244.
Almost surely, 230102302080 is an apocalyptic number.
It is an amenable number.
30102302080 is an abundant number, since it is smaller than the sum of its proper divisors (42559845920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30102302080 is a wasteful number, since it uses less digits than its factorization.
30102302080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 456771 (or 456759 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 30102302080 its reverse (8020320103), we get a palindrome (38122622183).
The spelling of 30102302080 in words is "thirty billion, one hundred two million, three hundred two thousand, eighty".
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