Base | Representation |
---|---|
bin | 10001000011110… |
… | …00100001001100 |
3 | 100222021020021021 |
4 | 20201320201030 |
5 | 243113144410 |
6 | 22111043524 |
7 | 3355221052 |
oct | 1041704114 |
9 | 328236237 |
10 | 143099980 |
11 | 7385a151 |
12 | 3bb105a4 |
13 | 2385435a |
14 | 150101d2 |
15 | c869eda |
hex | 887884c |
143099980 has 12 divisors (see below), whose sum is σ = 300510000. Its totient is φ = 57239984.
The previous prime is 143099977. The next prime is 143099993. The reversal of 143099980 is 89990341.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3577480 + ... + 3577519.
It is an arithmetic number, because the mean of its divisors is an integer number (25042500).
Almost surely, 2143099980 is an apocalyptic number.
143099980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
143099980 is an abundant number, since it is smaller than the sum of its proper divisors (157410020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143099980 is a wasteful number, since it uses less digits than its factorization.
143099980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7155008 (or 7155006 counting only the distinct ones).
The product of its (nonzero) digits is 69984, while the sum is 43.
The square root of 143099980 is about 11962.4403864763. The cubic root of 143099980 is about 523.0539960118.
The spelling of 143099980 in words is "one hundred forty-three million, ninety-nine thousand, nine hundred eighty".
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