Base | Representation |
---|---|
bin | 1011001001001100… |
… | …0111000001010101 |
3 | 21201110202112011201 |
4 | 2302103013001111 |
5 | 22111241311231 |
6 | 1212455032501 |
7 | 134062042342 |
oct | 26223070125 |
9 | 7643675151 |
10 | 2991353941 |
11 | 12a55a5544 |
12 | 6b596b731 |
13 | 388978024 |
14 | 2053d57c9 |
15 | 127937161 |
hex | b24c7055 |
2991353941 has 8 divisors (see below), whose sum is σ = 3142088064. Its totient is φ = 2842342800.
The previous prime is 2991353917. The next prime is 2991353951. The reversal of 2991353941 is 1493531992.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2991353941 - 25 = 2991353909 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2991353891 and 2991353900.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2991353951) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427186 + ... + 434131.
It is an arithmetic number, because the mean of its divisors is an integer number (392761008).
Almost surely, 22991353941 is an apocalyptic number.
It is an amenable number.
2991353941 is a deficient number, since it is larger than the sum of its proper divisors (150734123).
2991353941 is a wasteful number, since it uses less digits than its factorization.
2991353941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 861491.
The product of its digits is 262440, while the sum is 46.
The square root of 2991353941 is about 54693.2714417414. The cubic root of 2991353941 is about 1440.8627065881.
The spelling of 2991353941 in words is "two billion, nine hundred ninety-one million, three hundred fifty-three thousand, nine hundred forty-one".
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