Base | Representation |
---|---|
bin | 1011001000010011… |
… | …0000000100110101 |
3 | 21201012200021221022 |
4 | 2302010300010311 |
5 | 22104310334231 |
6 | 1212242230525 |
7 | 134015044520 |
oct | 26204600465 |
9 | 7635607838 |
10 | 2987589941 |
11 | 12a34645a6 |
12 | 6b4655445 |
13 | 387c5a9cb |
14 | 204ad5bb7 |
15 | 127441c7b |
hex | b2130135 |
2987589941 has 4 divisors (see below), whose sum is σ = 3414388512. Its totient is φ = 2560791372.
The previous prime is 2987589929. The next prime is 2987589959. The reversal of 2987589941 is 1499857892.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2987589941 - 218 = 2987327797 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2987589971) 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, 213399275 + ... + 213399288.
It is an arithmetic number, because the mean of its divisors is an integer number (853597128).
Almost surely, 22987589941 is an apocalyptic number.
It is an amenable number.
2987589941 is a deficient number, since it is larger than the sum of its proper divisors (426798571).
2987589941 is an equidigital number, since it uses as much as digits as its factorization.
2987589941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 426798570.
The product of its digits is 13063680, while the sum is 62.
The square root of 2987589941 is about 54658.8505276135. The cubic root of 2987589941 is about 1440.2581104006.
The spelling of 2987589941 in words is "two billion, nine hundred eighty-seven million, five hundred eighty-nine thousand, nine hundred forty-one".
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