Base | Representation |
---|---|
bin | 100001011011000… |
… | …1100001110111100 |
3 | 2220011022012201022 |
4 | 1002312030032330 |
5 | 4244101032030 |
6 | 303141403312 |
7 | 36535416353 |
oct | 10266141674 |
9 | 2804265638 |
10 | 1121502140 |
11 | 526071180 |
12 | 273709538 |
13 | 14b46ba45 |
14 | a8d3899a |
15 | 686d1de5 |
hex | 42d8c3bc |
1121502140 has 48 divisors (see below), whose sum is σ = 2586578400. Its totient is φ = 405070080.
The previous prime is 1121502133. The next prime is 1121502163. The reversal of 1121502140 is 412051211.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15674 + ... + 49886.
It is an arithmetic number, because the mean of its divisors is an integer number (53887050).
Almost surely, 21121502140 is an apocalyptic number.
1121502140 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 1121502140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1293289200).
1121502140 is an abundant number, since it is smaller than the sum of its proper divisors (1465076260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1121502140 is a wasteful number, since it uses less digits than its factorization.
1121502140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34382 (or 34380 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 17.
The square root of 1121502140 is about 33488.8360502422. The cubic root of 1121502140 is about 1038.9628899322.
Adding to 1121502140 its reverse (412051211), we get a palindrome (1533553351).
The spelling of 1121502140 in words is "one billion, one hundred twenty-one million, five hundred two thousand, one hundred forty".
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