Base | Representation |
---|---|
bin | 11100011111011010… |
… | …110110001010100001 |
3 | 2220222000001122210002 |
4 | 130133122312022201 |
5 | 1000123011333434 |
6 | 22015334345345 |
7 | 2132044610510 |
oct | 343732661241 |
9 | 86860048702 |
10 | 30591902369 |
11 | 11a79371046 |
12 | 5b191bb255 |
13 | 2b66bb6ca2 |
14 | 16a2cc4677 |
15 | be0a9757e |
hex | 71f6b62a1 |
30591902369 has 8 divisors (see below), whose sum is σ = 35196820800. Its totient is φ = 26045645616.
The previous prime is 30591902357. The next prime is 30591902377. The reversal of 30591902369 is 96320919503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30591902369 - 216 = 30591836833 is a prime.
It is a super-2 number, since 2×305919023692 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30591902269) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14664299 + ... + 14666384.
It is an arithmetic number, because the mean of its divisors is an integer number (4399602600).
Almost surely, 230591902369 is an apocalyptic number.
It is an amenable number.
30591902369 is a deficient number, since it is larger than the sum of its proper divisors (4604918431).
30591902369 is a wasteful number, since it uses less digits than its factorization.
30591902369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29330839.
The product of its (nonzero) digits is 393660, while the sum is 47.
The spelling of 30591902369 in words is "thirty billion, five hundred ninety-one million, nine hundred two thousand, three hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •