Base | Representation |
---|---|
bin | 1011001001010010… |
… | …0101010001100000 |
3 | 21201111111010202012 |
4 | 2302110211101200 |
5 | 22111341140000 |
6 | 1212511212052 |
7 | 134065241024 |
oct | 26224452140 |
9 | 7644433665 |
10 | 2991740000 |
11 | 12a58395a7 |
12 | 6b5b17028 |
13 | 388a81972 |
14 | 205496384 |
15 | 1279b1735 |
hex | b2525460 |
2991740000 has 120 divisors (see below), whose sum is σ = 7748488440. Its totient is φ = 1133568000.
The previous prime is 2991739987. The next prime is 2991740023. The reversal of 2991740000 is 471992.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 376064 + ... + 383936.
It is an arithmetic number, because the mean of its divisors is an integer number (64570737).
Almost surely, 22991740000 is an apocalyptic number.
2991740000 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 2991740000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3874244220).
2991740000 is an abundant number, since it is smaller than the sum of its proper divisors (4756748440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2991740000 is an equidigital number, since it uses as much as digits as its factorization.
2991740000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7922 (or 7899 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 32.
The square root of 2991740000 is about 54696.8006376973. The cubic root of 2991740000 is about 1440.9246890102.
The spelling of 2991740000 in words is "two billion, nine hundred ninety-one million, seven hundred forty thousand".
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