Base | Representation |
---|---|
bin | 11011111110110101… |
… | …011101010001001000 |
3 | 2212112220101211110221 |
4 | 123332311131101020 |
5 | 443013034331102 |
6 | 21445205315424 |
7 | 2112356146120 |
oct | 337665352110 |
9 | 85486354427 |
10 | 30045230152 |
11 | 11818827123 |
12 | 59a6105b74 |
13 | 2aaa8703c2 |
14 | 165045dc80 |
15 | bacab0637 |
hex | 6fed5d448 |
30045230152 has 32 divisors (see below), whose sum is σ = 65752485120. Its totient is φ = 12602557440.
The previous prime is 30045230147. The next prime is 30045230167. The reversal of 30045230152 is 25103254003.
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, 5705049 + ... + 5710312.
It is an arithmetic number, because the mean of its divisors is an integer number (2054765160).
Almost surely, 230045230152 is an apocalyptic number.
It is an amenable number.
30045230152 is an abundant number, since it is smaller than the sum of its proper divisors (35707254968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30045230152 is a wasteful number, since it uses less digits than its factorization.
30045230152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11415421 (or 11415417 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 25.
Adding to 30045230152 its reverse (25103254003), we get a palindrome (55148484155).
The spelling of 30045230152 in words is "thirty billion, forty-five million, two hundred thirty thousand, one hundred fifty-two".
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