Base | Representation |
---|---|
bin | 1001100010110… |
… | …01010100001011 |
3 | 12120122100101201 |
4 | 10301121110023 |
5 | 130443320421 |
6 | 11535525031 |
7 | 1661323054 |
oct | 461312413 |
9 | 176570351 |
10 | 80057611 |
11 | 41210517 |
12 | 22989777 |
13 | 1378068a |
14 | a8bd72b |
15 | 7065b91 |
hex | 4c5950b |
80057611 has 4 divisors (see below), whose sum is σ = 80089312. Its totient is φ = 80025912.
The previous prime is 80057581. The next prime is 80057617. The reversal of 80057611 is 11675008.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80057611 - 213 = 80049419 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 80057611.
It is not an unprimeable number, because it can be changed into a prime (80057617) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11700 + ... + 17233.
It is an arithmetic number, because the mean of its divisors is an integer number (20022328).
Almost surely, 280057611 is an apocalyptic number.
80057611 is a deficient number, since it is larger than the sum of its proper divisors (31701).
80057611 is a wasteful number, since it uses less digits than its factorization.
80057611 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31700.
The product of its (nonzero) digits is 1680, while the sum is 28.
The square root of 80057611 is about 8947.4918832039. The cubic root of 80057611 is about 430.9903458018.
The spelling of 80057611 in words is "eighty million, fifty-seven thousand, six hundred eleven".
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