Base | Representation |
---|---|
bin | 100101010010110010… |
… | …1001100110101001001 |
3 | 21122201102120122112120 |
4 | 1022211211030311021 |
5 | 2303004333410344 |
6 | 100442555001453 |
7 | 5533432462215 |
oct | 1124545146511 |
9 | 248642518476 |
10 | 80087403849 |
11 | 30a68284972 |
12 | 13631139289 |
13 | 772428817b |
14 | 3c3a60b945 |
15 | 213aed6219 |
hex | 12a594cd49 |
80087403849 has 4 divisors (see below), whose sum is σ = 106783205136. Its totient is φ = 53391602564.
The previous prime is 80087403829. The next prime is 80087403887. The reversal of 80087403849 is 94830478008.
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 80087403849 - 25 = 80087403817 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80087403829) 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 3 ways as a sum of consecutive naturals, for example, 13347900639 + ... + 13347900644.
It is an arithmetic number, because the mean of its divisors is an integer number (26695801284).
Almost surely, 280087403849 is an apocalyptic number.
It is an amenable number.
80087403849 is a deficient number, since it is larger than the sum of its proper divisors (26695801287).
80087403849 is a wasteful number, since it uses less digits than its factorization.
80087403849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26695801286.
The product of its (nonzero) digits is 1548288, while the sum is 51.
The spelling of 80087403849 in words is "eighty billion, eighty-seven million, four hundred three thousand, eight hundred forty-nine".
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