Base | Representation |
---|---|
bin | 1011000110111011… |
… | …0001111011111100 |
3 | 21200210211200022211 |
4 | 2301232301323330 |
5 | 22101322033041 |
6 | 1211514550204 |
7 | 133615066036 |
oct | 26156617374 |
9 | 7623750284 |
10 | 2981830396 |
11 | 12a0190346 |
12 | 6b2738364 |
13 | 3869c22ac |
14 | 204036c56 |
15 | 126ba5481 |
hex | b1bb1efc |
2981830396 has 24 divisors (see below), whose sum is σ = 5527645200. Its totient is φ = 1402582272.
The previous prime is 2981830391. The next prime is 2981830427. The reversal of 2981830396 is 6930381892.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2981830391) 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, 164731 + ... + 181933.
It is an arithmetic number, because the mean of its divisors is an integer number (230318550).
Almost surely, 22981830396 is an apocalyptic number.
It is an amenable number.
2981830396 is a deficient number, since it is larger than the sum of its proper divisors (2545814804).
2981830396 is a wasteful number, since it uses less digits than its factorization.
2981830396 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19773 (or 19771 counting only the distinct ones).
The product of its (nonzero) digits is 559872, while the sum is 49.
The square root of 2981830396 is about 54606.1388124083. The cubic root of 2981830396 is about 1439.3319940484.
The spelling of 2981830396 in words is "two billion, nine hundred eighty-one million, eight hundred thirty thousand, three hundred ninety-six".
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