Base | Representation |
---|---|
bin | 11100011000010001… |
… | …110110011011010111 |
3 | 2220122122122020211002 |
4 | 130120101312123113 |
5 | 444401324304024 |
6 | 21555414533515 |
7 | 2126061415205 |
oct | 343021663327 |
9 | 86578566732 |
10 | 30472103639 |
11 | 11a1778752a |
12 | 5aa506729b |
13 | 2b48130873 |
14 | 169101c075 |
15 | bd52d16ae |
hex | 7184766d7 |
30472103639 has 8 divisors (see below), whose sum is σ = 31646144640. Its totient is φ = 29319216696.
The previous prime is 30472103609. The next prime is 30472103659. The reversal of 30472103639 is 93630127403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30472103639 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30472103609) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5285579 + ... + 5291340.
It is an arithmetic number, because the mean of its divisors is an integer number (3955768080).
Almost surely, 230472103639 is an apocalyptic number.
30472103639 is a deficient number, since it is larger than the sum of its proper divisors (1174041001).
30472103639 is a wasteful number, since it uses less digits than its factorization.
30472103639 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10577029.
The product of its (nonzero) digits is 81648, while the sum is 38.
The spelling of 30472103639 in words is "thirty billion, four hundred seventy-two million, one hundred three thousand, six hundred thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •