Base | Representation |
---|---|
bin | 10001001000111… |
… | …10100010111110 |
3 | 101000112210010022 |
4 | 20210132202332 |
5 | 243301430110 |
6 | 22133412142 |
7 | 3364052522 |
oct | 1044364276 |
9 | 330483108 |
10 | 143780030 |
11 | 74184079 |
12 | 4019a052 |
13 | 23a31a54 |
14 | 15149d82 |
15 | c951755 |
hex | 891e8be |
143780030 has 32 divisors (see below), whose sum is σ = 279084960. Its totient is φ = 53153280.
The previous prime is 143780029. The next prime is 143780099. The reversal of 143780030 is 30087341.
143780030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1439 + ... + 17018.
It is an arithmetic number, because the mean of its divisors is an integer number (8721405).
Almost surely, 2143780030 is an apocalyptic number.
143780030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
143780030 is a deficient number, since it is larger than the sum of its proper divisors (135304930).
143780030 is a wasteful number, since it uses less digits than its factorization.
143780030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18524.
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 143780030 is about 11990.8310804548. The cubic root of 143780030 is about 523.8812518631.
The spelling of 143780030 in words is "one hundred forty-three million, seven hundred eighty thousand, thirty".
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