Base | Representation |
---|---|
bin | 11100101010110100… |
… | …001100101101010101 |
3 | 2221110022211101110002 |
4 | 130222310030231111 |
5 | 1001020433111220 |
6 | 22050324341045 |
7 | 2136556004324 |
oct | 345264145525 |
9 | 87408741402 |
10 | 30783097685 |
11 | 1206728a9aa |
12 | 5b71244785 |
13 | 2b976aa802 |
14 | 16c04540bb |
15 | c02762c75 |
hex | 72ad0cb55 |
30783097685 has 8 divisors (see below), whose sum is σ = 37384774560. Its totient is φ = 24329773264.
The previous prime is 30783097669. The next prime is 30783097687. The reversal of 30783097685 is 58679038703.
It is a happy number.
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 30783097685 - 24 = 30783097669 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30783097685.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30783097687) 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, 37087655 + ... + 37088484.
It is an arithmetic number, because the mean of its divisors is an integer number (4673096820).
Almost surely, 230783097685 is an apocalyptic number.
It is an amenable number.
30783097685 is a deficient number, since it is larger than the sum of its proper divisors (6601676875).
30783097685 is an equidigital number, since it uses as much as digits as its factorization.
30783097685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74176227.
The product of its (nonzero) digits is 7620480, while the sum is 56.
The spelling of 30783097685 in words is "thirty billion, seven hundred eighty-three million, ninety-seven thousand, six hundred eighty-five".
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