Base | Representation |
---|---|
bin | 11100100100101111… |
… | …100100011000001110 |
3 | 2221012020010111101112 |
4 | 130210233210120032 |
5 | 1000313343024442 |
6 | 22032245012022 |
7 | 2134211033543 |
oct | 344457443016 |
9 | 87166114345 |
10 | 30681220622 |
11 | 12014827188 |
12 | 5b430b4012 |
13 | 2b7c55a820 |
14 | 16b0ad4bca |
15 | be883c082 |
hex | 724be460e |
30681220622 has 32 divisors (see below), whose sum is σ = 52488801792. Its totient is φ = 13342706784.
The previous prime is 30681220607. The next prime is 30681220631. The reversal of 30681220622 is 22602218603.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 342818 + ... + 422949.
It is an arithmetic number, because the mean of its divisors is an integer number (1640275056).
Almost surely, 230681220622 is an apocalyptic number.
30681220622 is a deficient number, since it is larger than the sum of its proper divisors (21807581170).
30681220622 is a wasteful number, since it uses less digits than its factorization.
30681220622 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 765872.
The product of its (nonzero) digits is 13824, while the sum is 32.
The spelling of 30681220622 in words is "thirty billion, six hundred eighty-one million, two hundred twenty thousand, six hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •