Base | Representation |
---|---|
bin | 1001101001100… |
… | …00111010101001 |
3 | 12122022012210012 |
4 | 10310300322221 |
5 | 131210100323 |
6 | 12010501305 |
7 | 2001661520 |
oct | 464607251 |
9 | 178265705 |
10 | 80940713 |
11 | 41763a57 |
12 | 23134835 |
13 | 139cc619 |
14 | aa6d4b7 |
15 | 718c678 |
hex | 4d30ea9 |
80940713 has 4 divisors (see below), whose sum is σ = 92503680. Its totient is φ = 69377748.
The previous prime is 80940707. The next prime is 80940731. The reversal of 80940713 is 31704908.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 80940713 - 212 = 80936617 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 80940713.
It is not an unprimeable number, because it can be changed into a prime (80940733) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5781473 + ... + 5781486.
It is an arithmetic number, because the mean of its divisors is an integer number (23125920).
Almost surely, 280940713 is an apocalyptic number.
It is an amenable number.
80940713 is a deficient number, since it is larger than the sum of its proper divisors (11562967).
80940713 is a wasteful number, since it uses less digits than its factorization.
80940713 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11562966.
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 80940713 is about 8996.7056748568. The cubic root of 80940713 is about 432.5692815606.
The spelling of 80940713 in words is "eighty million, nine hundred forty thousand, seven hundred thirteen".
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