Base | Representation |
---|---|
bin | 1010100011001010… |
… | …0111001011000110 |
3 | 21022100121101002211 |
4 | 2220302213023012 |
5 | 21244422334232 |
6 | 1145000054034 |
7 | 130114146061 |
oct | 25062471306 |
9 | 7270541084 |
10 | 2831839942 |
11 | 1223555298 |
12 | 67046431a |
13 | 3618c7849 |
14 | 1cc1518d8 |
15 | 118928a47 |
hex | a8ca72c6 |
2831839942 has 4 divisors (see below), whose sum is σ = 4247759916. Its totient is φ = 1415919970.
The previous prime is 2831839921. The next prime is 2831839943. The reversal of 2831839942 is 2499381382.
It is a semiprime because it is the product of two primes.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2831839943) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707959984 + ... + 707959987.
It is an arithmetic number, because the mean of its divisors is an integer number (1061939979).
Almost surely, 22831839942 is an apocalyptic number.
2831839942 is a deficient number, since it is larger than the sum of its proper divisors (1415919974).
2831839942 is a wasteful number, since it uses less digits than its factorization.
2831839942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1415919973.
The product of its digits is 746496, while the sum is 49.
The square root of 2831839942 is about 53215.0349243520. The cubic root of 2831839942 is about 1414.7821366270.
The spelling of 2831839942 in words is "two billion, eight hundred thirty-one million, eight hundred thirty-nine thousand, nine hundred forty-two".
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