Base | Representation |
---|---|
bin | 100001011111111… |
… | …0111110001100100 |
3 | 2220100002010200222 |
4 | 1002333313301210 |
5 | 4300223233110 |
6 | 303312023512 |
7 | 36566115623 |
oct | 10277676144 |
9 | 2810063628 |
10 | 1124039780 |
11 | 5275447a6 |
12 | 274531b98 |
13 | 14bb49ac6 |
14 | a93d96ba |
15 | 68a33c55 |
hex | 42ff7c64 |
1124039780 has 48 divisors (see below), whose sum is σ = 2466858240. Its totient is φ = 429800448.
The previous prime is 1124039767. The next prime is 1124039821. The reversal of 1124039780 is 879304211.
It is a self number, because there is not a number n which added to its sum of digits gives 1124039780.
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, 26516 + ... + 54324.
It is an arithmetic number, because the mean of its divisors is an integer number (51392880).
Almost surely, 21124039780 is an apocalyptic number.
1124039780 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 1124039780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1233429120).
1124039780 is an abundant number, since it is smaller than the sum of its proper divisors (1342818460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1124039780 is a wasteful number, since it uses less digits than its factorization.
1124039780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27908 (or 27906 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 35.
The square root of 1124039780 is about 33526.7024921927. The cubic root of 1124039780 is about 1039.7459253600.
The spelling of 1124039780 in words is "one billion, one hundred twenty-four million, thirty-nine thousand, seven hundred eighty".
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