Base | Representation |
---|---|
bin | 1111010111010000… |
… | …1100010110110101 |
3 | 101122102012222200020 |
4 | 3311310030112311 |
5 | 31421232200041 |
6 | 1521121435353 |
7 | 204125162136 |
oct | 36564142665 |
9 | 11572188606 |
10 | 4124100021 |
11 | 1826a46428 |
12 | 97119bb59 |
13 | 509552892 |
14 | 2b1a19c8d |
15 | 1920da866 |
hex | f5d0c5b5 |
4124100021 has 8 divisors (see below), whose sum is σ = 5533824864. Its totient is φ = 2731887600.
The previous prime is 4124099983. The next prime is 4124100041. The reversal of 4124100021 is 1200014214.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 4124100021 - 215 = 4124067253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4124100041) 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, 4377555 + ... + 4378496.
It is an arithmetic number, because the mean of its divisors is an integer number (691728108).
Almost surely, 24124100021 is an apocalyptic number.
It is an amenable number.
4124100021 is a deficient number, since it is larger than the sum of its proper divisors (1409724843).
4124100021 is a wasteful number, since it uses less digits than its factorization.
4124100021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8756211.
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 4124100021 is about 64219.1561841169. The cubic root of 4124100021 is about 1603.6505216241.
Adding to 4124100021 its reverse (1200014214), we get a palindrome (5324114235).
The spelling of 4124100021 in words is "four billion, one hundred twenty-four million, one hundred thousand, twenty-one".
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