Base | Representation |
---|---|
bin | 1010100011000100… |
… | …0011011101110110 |
3 | 21022022211121212220 |
4 | 2220301003131312 |
5 | 21244321302132 |
6 | 1144543223210 |
7 | 130110525312 |
oct | 25061033566 |
9 | 7268747786 |
10 | 2831431542 |
11 | 12232a6475 |
12 | 6702a7b06 |
13 | 3617b39a4 |
14 | 1cc086b42 |
15 | 118897a2c |
hex | a8c43776 |
2831431542 has 8 divisors (see below), whose sum is σ = 5662863096. Its totient is φ = 943810512.
The previous prime is 2831431541. The next prime is 2831431567. The reversal of 2831431542 is 2451341382.
2831431542 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
2831431542 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2831431541) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235952623 + ... + 235952634.
It is an arithmetic number, because the mean of its divisors is an integer number (707857887).
Almost surely, 22831431542 is an apocalyptic number.
2831431542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2831431542 is a wasteful number, since it uses less digits than its factorization.
2831431542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 471905262.
The product of its digits is 23040, while the sum is 33.
The square root of 2831431542 is about 53211.1975245812. The cubic root of 2831431542 is about 1414.7141213890.
The spelling of 2831431542 in words is "two billion, eight hundred thirty-one million, four hundred thirty-one thousand, five hundred forty-two".
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