Base | Representation |
---|---|
bin | 11100011001010111… |
… | …111011111100000011 |
3 | 2220200221012200100200 |
4 | 130121113323330003 |
5 | 444421030220131 |
6 | 22001312420243 |
7 | 2126403525612 |
oct | 343127737403 |
9 | 86627180320 |
10 | 30490476291 |
11 | 11a27096140 |
12 | 5aab247683 |
13 | 2b4bb94362 |
14 | 1693641879 |
15 | bd6c102e6 |
hex | 7195fbf03 |
30490476291 has 24 divisors (see below), whose sum is σ = 48053101824. Its totient is φ = 18476190960.
The previous prime is 30490476283. The next prime is 30490476301. The reversal of 30490476291 is 19267409403.
It is a happy number.
30490476291 is a `hidden beast` number, since 3 + 0 + 4 + 90 + 476 + 2 + 91 = 666.
It is not a de Polignac number, because 30490476291 - 23 = 30490476283 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30490476391) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 732850 + ... + 773336.
It is an arithmetic number, because the mean of its divisors is an integer number (2002212576).
Almost surely, 230490476291 is an apocalyptic number.
30490476291 is a deficient number, since it is larger than the sum of its proper divisors (17562625533).
30490476291 is a wasteful number, since it uses less digits than its factorization.
30490476291 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48111 (or 48108 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 45.
The spelling of 30490476291 in words is "thirty billion, four hundred ninety million, four hundred seventy-six thousand, two hundred ninety-one".
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