Base | Representation |
---|---|
bin | 1011001000011111… |
… | …1100011000111101 |
3 | 21201021020210220120 |
4 | 2302013330120331 |
5 | 22110014124223 |
6 | 1212312205153 |
7 | 134025131421 |
oct | 26207743075 |
9 | 7637223816 |
10 | 2988426813 |
11 | 12a3986329 |
12 | 6b49997b9 |
13 | 3881918b8 |
14 | 204c72b81 |
15 | 127559be3 |
hex | b21fc63d |
2988426813 has 4 divisors (see below), whose sum is σ = 3984569088. Its totient is φ = 1992284540.
The previous prime is 2988426809. The next prime is 2988426817. The reversal of 2988426813 is 3186248892.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (2988426809) and next prime (2988426817).
It is a cyclic number.
It is not a de Polignac number, because 2988426813 - 22 = 2988426809 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2988426817) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498071133 + ... + 498071138.
It is an arithmetic number, because the mean of its divisors is an integer number (996142272).
Almost surely, 22988426813 is an apocalyptic number.
It is an amenable number.
2988426813 is a deficient number, since it is larger than the sum of its proper divisors (996142275).
2988426813 is an equidigital number, since it uses as much as digits as its factorization.
2988426813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 996142274.
The product of its digits is 1327104, while the sum is 51.
The square root of 2988426813 is about 54666.5054032174. The cubic root of 2988426813 is about 1440.3925776674.
The spelling of 2988426813 in words is "two billion, nine hundred eighty-eight million, four hundred twenty-six thousand, eight hundred thirteen".
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