Base | Representation |
---|---|
bin | 1001100011011… |
… | …11101110101111 |
3 | 12120211000100011 |
4 | 10301233232233 |
5 | 131004240143 |
6 | 11541514051 |
7 | 1662154534 |
oct | 461575657 |
9 | 176730304 |
10 | 80149423 |
11 | 412734a2 |
12 | 22a12927 |
13 | 137b33c3 |
14 | a904d8b |
15 | 7082e9d |
hex | 4c6fbaf |
80149423 has 2 divisors, whose sum is σ = 80149424. Its totient is φ = 80149422.
The previous prime is 80149397. The next prime is 80149453. The reversal of 80149423 is 32494108.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 80149423 - 29 = 80148911 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80149453) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40074711 + 40074712.
It is an arithmetic number, because the mean of its divisors is an integer number (40074712).
Almost surely, 280149423 is an apocalyptic number.
80149423 is a deficient number, since it is larger than the sum of its proper divisors (1).
80149423 is an equidigital number, since it uses as much as digits as its factorization.
80149423 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 80149423 is about 8952.6210128655. The cubic root of 80149423 is about 431.1550395689.
The spelling of 80149423 in words is "eighty million, one hundred forty-nine thousand, four hundred twenty-three".
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