Base | Representation |
---|---|
bin | 1101010011011111… |
… | …10110000100001100 |
3 | 200102210112211112002 |
4 | 12221233312010030 |
5 | 104112032442040 |
6 | 3140440131432 |
7 | 342002204603 |
oct | 65157660414 |
9 | 20383484462 |
10 | 7142859020 |
11 | 3035a59780 |
12 | 1474166b78 |
13 | 89aaa46cb |
14 | 4ba906a3a |
15 | 2bc137a15 |
hex | 1a9bf610c |
7142859020 has 24 divisors (see below), whose sum is σ = 16363641168. Its totient is φ = 2597403200.
The previous prime is 7142859019. The next prime is 7142859029. The reversal of 7142859020 is 209582417.
It is not an unprimeable number, because it can be changed into a prime (7142859029) 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 7 ways as a sum of consecutive naturals, for example, 16233551 + ... + 16233990.
It is an arithmetic number, because the mean of its divisors is an integer number (681818382).
Almost surely, 27142859020 is an apocalyptic number.
It is an amenable number.
7142859020 is an abundant number, since it is smaller than the sum of its proper divisors (9220782148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7142859020 is a wasteful number, since it uses less digits than its factorization.
7142859020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32467561 (or 32467559 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 38.
The square root of 7142859020 is about 84515.4365781778. The cubic root of 7142859020 is about 1925.8569542592.
The spelling of 7142859020 in words is "seven billion, one hundred forty-two million, eight hundred fifty-nine thousand, twenty".
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