Base | Representation |
---|---|
bin | 1010111101100110… |
… | …1011100100100110 |
3 | 21121002021221001202 |
4 | 2233121223210212 |
5 | 22011320313440 |
6 | 1204001122502 |
7 | 132631630052 |
oct | 25731534446 |
9 | 7532257052 |
10 | 2942744870 |
11 | 128011485a |
12 | 6a1629432 |
13 | 37b888a70 |
14 | 1dcb80c62 |
15 | 123534615 |
hex | af66b926 |
2942744870 has 32 divisors (see below), whose sum is σ = 5754907872. Its totient is φ = 1076931072.
The previous prime is 2942744839. The next prime is 2942744873. The reversal of 2942744870 is 784472492.
It is a super-2 number, since 2×29427448702 = 17319494739822633800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2942744873) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85472 + ... + 114851.
It is an arithmetic number, because the mean of its divisors is an integer number (179840871).
Almost surely, 22942744870 is an apocalyptic number.
2942744870 is a deficient number, since it is larger than the sum of its proper divisors (2812163002).
2942744870 is a wasteful number, since it uses less digits than its factorization.
2942744870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 200456.
The product of its (nonzero) digits is 903168, while the sum is 47.
The square root of 2942744870 is about 54247.0724555713. The cubic root of 2942744870 is about 1433.0154423317.
The spelling of 2942744870 in words is "two billion, nine hundred forty-two million, seven hundred forty-four thousand, eight hundred seventy".
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