Base | Representation |
---|---|
bin | 11100110001100111… |
… | …010100101100100011 |
3 | 2221202021110111200222 |
4 | 130301213110230203 |
5 | 1001234133204133 |
6 | 22105521233255 |
7 | 2142442360355 |
oct | 346147245443 |
9 | 87667414628 |
10 | 30897163043 |
11 | 1211570899a |
12 | 5ba349282b |
13 | 2bb52073c6 |
14 | 16d16670d5 |
15 | c0c794e98 |
hex | 7319d4b23 |
30897163043 has 8 divisors (see below), whose sum is σ = 32752832112. Its totient is φ = 29045737216.
The previous prime is 30897163021. The next prime is 30897163061. The reversal of 30897163043 is 34036179803.
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 30897163043 - 28 = 30897162787 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30897162985 and 30897163003.
It is not an unprimeable number, because it can be changed into a prime (30897163013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045805 + ... + 1074942.
It is an arithmetic number, because the mean of its divisors is an integer number (4094104014).
Almost surely, 230897163043 is an apocalyptic number.
30897163043 is a deficient number, since it is larger than the sum of its proper divisors (1855669069).
30897163043 is a wasteful number, since it uses less digits than its factorization.
30897163043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2121621.
The product of its (nonzero) digits is 326592, while the sum is 44.
The spelling of 30897163043 in words is "thirty billion, eight hundred ninety-seven million, one hundred sixty-three thousand, forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •