| Base | Representation |
|---|---|
| bin | 111111000010001… |
| … | …0000000000110100 |
| 3 | 12110101211100002000 |
| 4 | 1332010100000310 |
| 5 | 13312422342010 |
| 6 | 545512415300 |
| 7 | 103261400142 |
| oct | 17604200064 |
| 9 | 5411740060 |
| 10 | 2115043380 |
| 11 | 99598343a |
| 12 | 4b03a7530 |
| 13 | 279257178 |
| 14 | 160c84592 |
| 15 | c5a397c0 |
| hex | 7e110034 |
2115043380 has 96 divisors (see below), whose sum is σ = 6593596800. Its totient is φ = 562857984.
The previous prime is 2115043369. The next prime is 2115043391. The reversal of 2115043380 is 833405112.
It is a happy number.
2115043380 is a `hidden beast` number, since 2 + 1 + 150 + 433 + 80 = 666.
It is an interprime number because it is at equal distance from previous prime (2115043369) and next prime (2115043391).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278676 + ... + 286164.
It is an arithmetic number, because the mean of its divisors is an integer number (68683300).
Almost surely, 22115043380 is an apocalyptic number.
2115043380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2115043380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3296798400).
2115043380 is an abundant number, since it is smaller than the sum of its proper divisors (4478553420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2115043380 is a wasteful number, since it uses less digits than its factorization.
2115043380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8030 (or 8022 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 2115043380 is about 45989.6007810461. The cubic root of 2115043380 is about 1283.6297080530.
Adding to 2115043380 its reverse (833405112), we get a palindrome (2948448492).
The spelling of 2115043380 in words is "two billion, one hundred fifteen million, forty-three thousand, three hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •