Base | Representation |
---|---|
bin | 1010001111100110… |
… | …1010000111111100 |
3 | 21002122020100202212 |
4 | 2203321222013330 |
5 | 21112422112311 |
6 | 1132505435552 |
7 | 125066631260 |
oct | 24371520774 |
9 | 7078210685 |
10 | 2749800956 |
11 | 1191211181 |
12 | 648a9bbb8 |
13 | 34a902376 |
14 | 1c12b80a0 |
15 | 111620c8b |
hex | a3e6a1fc |
2749800956 has 48 divisors (see below), whose sum is σ = 5701812480. Its totient is φ = 1135850880.
The previous prime is 2749800947. The next prime is 2749801001. The reversal of 2749800956 is 6590089472.
It is a happy number.
It is a super-2 number, since 2×27498009562 = 15122810595237027872, which contains 22 as substring.
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, 80855 + ... + 109713.
It is an arithmetic number, because the mean of its divisors is an integer number (118787760).
Almost surely, 22749800956 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2749800956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2850906240).
2749800956 is an abundant number, since it is smaller than the sum of its proper divisors (2952011524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2749800956 is a wasteful number, since it uses less digits than its factorization.
2749800956 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28994 (or 28992 counting only the distinct ones).
The product of its (nonzero) digits is 1088640, while the sum is 50.
The square root of 2749800956 is about 52438.5445640895. The cubic root of 2749800956 is about 1400.9858627475.
The spelling of 2749800956 in words is "two billion, seven hundred forty-nine million, eight hundred thousand, nine hundred fifty-six".
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