Base | Representation |
---|---|
bin | 1101111100011110000110… |
… | …00001010001011000110111 |
3 | 11000120112211121012201201010 |
4 | 12332033003001101120313 |
5 | 13004404002103313011 |
6 | 145115154303403303 |
7 | 6313322235224421 |
oct | 676170301213067 |
9 | 130515747181633 |
10 | 30665043416631 |
11 | 9852a76633228 |
12 | 3533110bb3533 |
13 | 1415916677220 |
14 | 7802a5c47811 |
15 | 382a0502a1a6 |
hex | 1be3c3051637 |
30665043416631 has 8 divisors (see below), whose sum is σ = 44031857213680. Its totient is φ = 18870795948672.
The previous prime is 30665043416621. The next prime is 30665043416677. The reversal of 30665043416631 is 13661434056603.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30665043416631 - 214 = 30665043400247 is a prime.
It is a super-2 number, since 2×306650434166312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30665043416621) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393141582226 + ... + 393141582303.
It is an arithmetic number, because the mean of its divisors is an integer number (5503982151710).
Almost surely, 230665043416631 is an apocalyptic number.
30665043416631 is a deficient number, since it is larger than the sum of its proper divisors (13366813797049).
30665043416631 is a wasteful number, since it uses less digits than its factorization.
30665043416631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 786283164545.
The product of its (nonzero) digits is 2799360, while the sum is 48.
The spelling of 30665043416631 in words is "thirty trillion, six hundred sixty-five billion, forty-three million, four hundred sixteen thousand, six hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •