Base | Representation |
---|---|
bin | 111111110001100… |
… | …0001100001010111 |
3 | 12112010120120002010 |
4 | 1333203001201113 |
5 | 13340302401303 |
6 | 552201115303 |
7 | 104012513442 |
oct | 17743014127 |
9 | 5463516063 |
10 | 2139887703 |
11 | 9a8a02338 |
12 | 4b8788b33 |
13 | 281445555 |
14 | 1642b0659 |
15 | c7ce5c03 |
hex | 7f8c1857 |
2139887703 has 16 divisors (see below), whose sum is σ = 2932798176. Its totient is φ = 1387023360.
The previous prime is 2139887671. The next prime is 2139887719. The reversal of 2139887703 is 3077889312.
It is not a de Polignac number, because 2139887703 - 25 = 2139887671 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2139887723) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6351 + ... + 65727.
It is an arithmetic number, because the mean of its divisors is an integer number (183299886).
Almost surely, 22139887703 is an apocalyptic number.
2139887703 is a deficient number, since it is larger than the sum of its proper divisors (792910473).
2139887703 is a wasteful number, since it uses less digits than its factorization.
2139887703 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59714.
The product of its (nonzero) digits is 508032, while the sum is 48.
The square root of 2139887703 is about 46258.9202532874. The cubic root of 2139887703 is about 1288.6362012583.
The spelling of 2139887703 in words is "two billion, one hundred thirty-nine million, eight hundred eighty-seven thousand, seven hundred three".
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