Base | Representation |
---|---|
bin | 11100010111001111… |
… | …100101001001101111 |
3 | 2220121102221122112220 |
4 | 130113033211021233 |
5 | 444332402401000 |
6 | 21553554330423 |
7 | 2125460642205 |
oct | 342717451157 |
9 | 86542848486 |
10 | 30454731375 |
11 | 11a089a1492 |
12 | 5a9b289a13 |
13 | 2b4465a513 |
14 | 168c9b9075 |
15 | bd39ee1a0 |
hex | 7173e526f |
30454731375 has 32 divisors (see below), whose sum is σ = 50716972800. Its totient is φ = 16229607200.
The previous prime is 30454731371. The next prime is 30454731389. The reversal of 30454731375 is 57313745403.
It is a happy number.
It is not a de Polignac number, because 30454731375 - 22 = 30454731371 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30454731371) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449476 + ... + 512774.
It is an arithmetic number, because the mean of its divisors is an integer number (1584905400).
Almost surely, 230454731375 is an apocalyptic number.
30454731375 is a deficient number, since it is larger than the sum of its proper divisors (20262241425).
30454731375 is a wasteful number, since it uses less digits than its factorization.
30454731375 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64600 (or 64590 counting only the distinct ones).
The product of its (nonzero) digits is 529200, while the sum is 42.
The spelling of 30454731375 in words is "thirty billion, four hundred fifty-four million, seven hundred thirty-one thousand, three hundred seventy-five".
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