Base | Representation |
---|---|
bin | 100101010010010101… |
… | …0111111000010011000 |
3 | 21122200100212022120221 |
4 | 1022210222333002120 |
5 | 2302441432034000 |
6 | 100441251525424 |
7 | 5533155662023 |
oct | 1124452770230 |
9 | 248610768527 |
10 | 80072143000 |
11 | 30a5a7011a3 |
12 | 13627bb9874 |
13 | 7721073b95 |
14 | 3c385981ba |
15 | 21399be61a |
hex | 12a4abf098 |
80072143000 has 64 divisors (see below), whose sum is σ = 189474292800. Its totient is φ = 31668947200.
The previous prime is 80072142949. The next prime is 80072143009. The reversal of 80072143000 is 34127008.
It is a super-2 number, since 2×800721430002 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80072143009) 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 15 ways as a sum of consecutive naturals, for example, 360844 + ... + 538843.
It is an arithmetic number, because the mean of its divisors is an integer number (2960535825).
Almost surely, 280072143000 is an apocalyptic number.
It is an amenable number.
80072143000 is an abundant number, since it is smaller than the sum of its proper divisors (109402149800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80072143000 is a wasteful number, since it uses less digits than its factorization.
80072143000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 899797 (or 899783 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 25.
The spelling of 80072143000 in words is "eighty billion, seventy-two million, one hundred forty-three thousand".
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