Base | Representation |
---|---|
bin | 11100100100011000… |
… | …000110110111110001 |
3 | 2221011210120000221100 |
4 | 130210120012313301 |
5 | 1000310304223244 |
6 | 22031505115013 |
7 | 2134104540162 |
oct | 344430066761 |
9 | 87153500840 |
10 | 30675070449 |
11 | 120113064a1 |
12 | 5b41028a69 |
13 | 2b7b1b637a |
14 | 16add73769 |
15 | be8024b69 |
hex | 724606df1 |
30675070449 has 27 divisors (see below), whose sum is σ = 44937208953. Its totient is φ = 20163863304.
The previous prime is 30675070423. The next prime is 30675070471. The reversal of 30675070449 is 94407057603.
The square root of 30675070449 is 175143.
It is a perfect power (a square), and thus also a powerful number.
30675070449 is a `hidden beast` number, since 30 + 67 + 50 + 70 + 449 = 666.
It is not a de Polignac number, because 30675070449 - 211 = 30675068401 is a prime.
It is a super-2 number, since 2×306750704492 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30675070649) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 41508522 + ... + 41509260.
Almost surely, 230675070449 is an apocalyptic number.
30675070449 is the 175143-rd square number.
30675070449 is the 87572-nd centered octagonal number.
It is an amenable number.
30675070449 is a deficient number, since it is larger than the sum of its proper divisors (14262138504).
30675070449 is an frugal number, since it uses more digits than its factorization.
30675070449 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1642 (or 821 counting only the distinct ones).
The product of its (nonzero) digits is 635040, while the sum is 45.
The spelling of 30675070449 in words is "thirty billion, six hundred seventy-five million, seventy thousand, four hundred forty-nine".
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