Base | Representation |
---|---|
bin | 1011001000010110… |
… | …0111001101011100 |
3 | 21201020002202201102 |
4 | 2302011213031130 |
5 | 22104340101042 |
6 | 1212251132232 |
7 | 134020005104 |
oct | 26205471534 |
9 | 7636082642 |
10 | 2987815772 |
11 | 12a35a9237 |
12 | 6b4744078 |
13 | 388009736 |
14 | 204b54204 |
15 | 127488b32 |
hex | b216735c |
2987815772 has 6 divisors (see below), whose sum is σ = 5228677608. Its totient is φ = 1493907884.
The previous prime is 2987815769. The next prime is 2987815781. The reversal of 2987815772 is 2775187892.
2987815772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373476968 + ... + 373476975.
It is an arithmetic number, because the mean of its divisors is an integer number (871446268).
Almost surely, 22987815772 is an apocalyptic number.
It is an amenable number.
2987815772 is a deficient number, since it is larger than the sum of its proper divisors (2240861836).
2987815772 is a wasteful number, since it uses less digits than its factorization.
2987815772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 746953947 (or 746953945 counting only the distinct ones).
The product of its digits is 3951360, while the sum is 56.
The square root of 2987815772 is about 54660.9163113829. The cubic root of 2987815772 is about 1440.2943990414.
The spelling of 2987815772 in words is "two billion, nine hundred eighty-seven million, eight hundred fifteen thousand, seven hundred seventy-two".
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