Base | Representation |
---|---|
bin | 100010111100101000… |
… | …1010011011001001001 |
3 | 21011201021222101102021 |
4 | 1011321101103121021 |
5 | 2212200022214144 |
6 | 54251013004441 |
7 | 5264533112320 |
oct | 1057121233111 |
9 | 234637871367 |
10 | 75049023049 |
11 | 299122428a0 |
12 | 12665923721 |
13 | 71004aba60 |
14 | 38bd3d90b7 |
15 | 1e439ec884 |
hex | 1179453649 |
75049023049 has 32 divisors (see below), whose sum is σ = 100986230016. Its totient is φ = 53862865920.
The previous prime is 75049023041. The next prime is 75049023061. The reversal of 75049023049 is 94032094057.
It is a cyclic number.
It is not a de Polignac number, because 75049023049 - 23 = 75049023041 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 75049022996 and 75049023014.
It is not an unprimeable number, because it can be changed into a prime (75049023041) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 375429 + ... + 539485.
It is an arithmetic number, because the mean of its divisors is an integer number (3155819688).
Almost surely, 275049023049 is an apocalyptic number.
It is an amenable number.
75049023049 is a deficient number, since it is larger than the sum of its proper divisors (25937206967).
75049023049 is a wasteful number, since it uses less digits than its factorization.
75049023049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 164545.
The product of its (nonzero) digits is 272160, while the sum is 43.
The spelling of 75049023049 in words is "seventy-five billion, forty-nine million, twenty-three thousand, forty-nine".
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