Base | Representation |
---|---|
bin | 111111110110010… |
… | …1010101001011011 |
3 | 12112022022222111102 |
4 | 1333230222221123 |
5 | 13341424243301 |
6 | 552331222015 |
7 | 104043142121 |
oct | 17754525133 |
9 | 5468288442 |
10 | 2142415451 |
11 | 9aa379490 |
12 | 4b95a790b |
13 | 281b1bc67 |
14 | 16476b911 |
15 | c8144b6b |
hex | 7fb2aa5b |
2142415451 has 8 divisors (see below), whose sum is σ = 2355585024. Its totient is φ = 1932313320.
The previous prime is 2142415447. The next prime is 2142415459. The reversal of 2142415451 is 1545142412.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2142415451 - 22 = 2142415447 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2142415459) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765395 + ... + 768188.
It is an arithmetic number, because the mean of its divisors is an integer number (294448128).
Almost surely, 22142415451 is an apocalyptic number.
2142415451 is a deficient number, since it is larger than the sum of its proper divisors (213169573).
2142415451 is a wasteful number, since it uses less digits than its factorization.
2142415451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1533721.
The product of its digits is 6400, while the sum is 29.
The square root of 2142415451 is about 46286.2339254340. The cubic root of 2142415451 is about 1289.1434032380.
Adding to 2142415451 its reverse (1545142412), we get a palindrome (3687557863).
The spelling of 2142415451 in words is "two billion, one hundred forty-two million, four hundred fifteen thousand, four hundred fifty-one".
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