Base | Representation |
---|---|
bin | 11100010101010010… |
… | …010000101110000011 |
3 | 2220112011010121111120 |
4 | 130111102100232003 |
5 | 444301000122213 |
6 | 21550422243323 |
7 | 2124611465526 |
oct | 342522205603 |
9 | 86464117446 |
10 | 30421879683 |
11 | 119a13a3528 |
12 | 5a90286543 |
13 | 2b3a8c7550 |
14 | 16884a6bbd |
15 | bd0bb0423 |
hex | 715490b83 |
30421879683 has 16 divisors (see below), whose sum is σ = 45581948160. Its totient is φ = 17907192864.
The previous prime is 30421879651. The next prime is 30421879711. The reversal of 30421879683 is 38697812403.
It is not a de Polignac number, because 30421879683 - 25 = 30421879651 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30421879783) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16956673 + ... + 16958466.
It is an arithmetic number, because the mean of its divisors is an integer number (2848871760).
Almost surely, 230421879683 is an apocalyptic number.
30421879683 is a deficient number, since it is larger than the sum of its proper divisors (15160068477).
30421879683 is a wasteful number, since it uses less digits than its factorization.
30421879683 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33915178.
The product of its (nonzero) digits is 1741824, while the sum is 51.
The spelling of 30421879683 in words is "thirty billion, four hundred twenty-one million, eight hundred seventy-nine thousand, six hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.220 sec. • engine limits •