Base | Representation |
---|---|
bin | 1011001000101000… |
… | …0011001010010010 |
3 | 21201022021212010210 |
4 | 2302022003022102 |
5 | 22110134310314 |
6 | 1212332104550 |
7 | 134032621002 |
oct | 26212031222 |
9 | 7638255123 |
10 | 2988978834 |
11 | 12a4223046 |
12 | 6b5005156 |
13 | 388325c3a |
14 | 204d78002 |
15 | 127618559 |
hex | b2283292 |
2988978834 has 8 divisors (see below), whose sum is σ = 5977957680. Its totient is φ = 996326276.
The previous prime is 2988978829. The next prime is 2988978857. The reversal of 2988978834 is 4388798892.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
2988978834 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249081564 + ... + 249081575.
It is an arithmetic number, because the mean of its divisors is an integer number (747244710).
Almost surely, 22988978834 is an apocalyptic number.
2988978834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2988978834 is a wasteful number, since it uses less digits than its factorization.
2988978834 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 498163144.
The product of its digits is 55738368, while the sum is 66.
The square root of 2988978834 is about 54671.5541575324. The cubic root of 2988978834 is about 1440.4812617864.
The spelling of 2988978834 in words is "two billion, nine hundred eighty-eight million, nine hundred seventy-eight thousand, eight hundred thirty-four".
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