Base | Representation |
---|---|
bin | 100101100110010100… |
… | …1110010011110111011 |
3 | 21201102010001020000020 |
4 | 1023030221302132323 |
5 | 2310330141334300 |
6 | 101032012541523 |
7 | 5555612323341 |
oct | 1131451623673 |
9 | 251363036006 |
10 | 80742918075 |
11 | 312742aa466 |
12 | 137947818a3 |
13 | 77ca020001 |
14 | 3c9d6c5991 |
15 | 217881c8a0 |
hex | 12cca727bb |
80742918075 has 24 divisors (see below), whose sum is σ = 133670472816. Its totient is φ = 43006272000.
The previous prime is 80742918023. The next prime is 80742918119. The reversal of 80742918075 is 57081924708.
It is not a de Polignac number, because 80742918075 - 213 = 80742909883 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 650266 + ... + 764415.
It is an arithmetic number, because the mean of its divisors is an integer number (5569603034).
Almost surely, 280742918075 is an apocalyptic number.
80742918075 is a deficient number, since it is larger than the sum of its proper divisors (52927554741).
80742918075 is a wasteful number, since it uses less digits than its factorization.
80742918075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1415455 (or 1415450 counting only the distinct ones).
The product of its (nonzero) digits is 1128960, while the sum is 51.
The spelling of 80742918075 in words is "eighty billion, seven hundred forty-two million, nine hundred eighteen thousand, seventy-five".
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