| Base | Representation |
|---|---|
| bin | 100001000111110… |
| … | …1100111000010000 |
| 3 | 2212110022120222022 |
| 4 | 1002033230320100 |
| 5 | 4234010142430 |
| 6 | 302141231012 |
| 7 | 36353563631 |
| oct | 10217547020 |
| 9 | 2773276868 |
| 10 | 1111412240 |
| 11 | 5203aa514 |
| 12 | 270262468 |
| 13 | 1493482a3 |
| 14 | a786d888 |
| 15 | 6788c4e5 |
| hex | 423ece10 |
1111412240 has 80 divisors (see below), whose sum is σ = 2690452800. Its totient is φ = 426456576.
The previous prime is 1111412231. The next prime is 1111412249. The reversal of 1111412240 is 422141111.
It is an interprime number because it is at equal distance from previous prime (1111412231) and next prime (1111412249).
It is a tau number, because it is divible by the number of its divisors (80).
It is not an unprimeable number, because it can be changed into a prime (1111412249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376691 + ... + 379629.
It is an arithmetic number, because the mean of its divisors is an integer number (33630660).
Almost surely, 21111412240 is an apocalyptic number.
1111412240 is a gapful number since it is divisible by the number (10) 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 1111412240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345226400).
1111412240 is an abundant number, since it is smaller than the sum of its proper divisors (1579040560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1111412240 is a wasteful number, since it uses less digits than its factorization.
1111412240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3144 (or 3138 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 17.
The square root of 1111412240 is about 33337.8499606678. The cubic root of 1111412240 is about 1035.8377279470.
Adding to 1111412240 its reverse (422141111), we get a palindrome (1533553351).
The spelling of 1111412240 in words is "one billion, one hundred eleven million, four hundred twelve thousand, two hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •