Base | Representation |
---|---|
bin | 1011000111111010… |
… | …0111111111111101 |
3 | 21201002122200222220 |
4 | 2301332213333331 |
5 | 22103402441442 |
6 | 1212143555553 |
7 | 133665305463 |
oct | 26176477775 |
9 | 7632580886 |
10 | 2985983997 |
11 | 12a2567a77 |
12 | 6b3bbbbb9 |
13 | 387817a49 |
14 | 2047d8833 |
15 | 127225eec |
hex | b1fa7ffd |
2985983997 has 8 divisors (see below), whose sum is σ = 3981757344. Its totient is φ = 1990433328.
The previous prime is 2985983939. The next prime is 2985984011. The reversal of 2985983997 is 7993895892.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2985983997 - 26 = 2985983933 is a prime.
It is a super-2 number, since 2×29859839972 = 17832200860680192018, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2985982997) 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, 21358 + ... + 80175.
It is an arithmetic number, because the mean of its divisors is an integer number (497719668).
Almost surely, 22985983997 is an apocalyptic number.
It is an amenable number.
2985983997 is a deficient number, since it is larger than the sum of its proper divisors (995773347).
2985983997 is a wasteful number, since it uses less digits than its factorization.
2985983997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111339.
The product of its digits is 88179840, while the sum is 69.
The square root of 2985983997 is about 54644.1579402593. The cubic root of 2985983997 is about 1439.9999995177. Note that the first 6 decimals are identical.
The spelling of 2985983997 in words is "two billion, nine hundred eighty-five million, nine hundred eighty-three thousand, nine hundred ninety-seven".
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