Base | Representation |
---|---|
bin | 1011001001001011… |
… | …1010010111100000 |
3 | 21201110122220002010 |
4 | 2302102322113200 |
5 | 22111233131422 |
6 | 1212453552520 |
7 | 134061435261 |
oct | 26222722740 |
9 | 7643586063 |
10 | 2991302112 |
11 | 12a556a607 |
12 | 6b5945740 |
13 | 38895a566 |
14 | 2053c0968 |
15 | 127926b0c |
hex | b24ba5e0 |
2991302112 has 24 divisors (see below), whose sum is σ = 7852168296. Its totient is φ = 997100672.
The previous prime is 2991302087. The next prime is 2991302113. The reversal of 2991302112 is 2112031992.
It is a tau number, because it is divible by the number of its divisors (24).
It is a self number, because there is not a number n which added to its sum of digits gives 2991302112.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2991302113) 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, 15579603 + ... + 15579794.
It is an arithmetic number, because the mean of its divisors is an integer number (327173679).
Almost surely, 22991302112 is an apocalyptic number.
It is an amenable number.
2991302112 is an abundant number, since it is smaller than the sum of its proper divisors (4860866184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2991302112 is a wasteful number, since it uses less digits than its factorization.
2991302112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31159410 (or 31159402 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 30.
The square root of 2991302112 is about 54692.7976245502. The cubic root of 2991302112 is about 1440.8543849489.
The spelling of 2991302112 in words is "two billion, nine hundred ninety-one million, three hundred two thousand, one hundred twelve".
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