Base | Representation |
---|---|
bin | 111110001101011… |
… | …0011111101111011 |
3 | 12101110211002010120 |
4 | 1330122303331323 |
5 | 13233333402022 |
6 | 543044144323 |
7 | 102504431106 |
oct | 17432637573 |
9 | 5343732116 |
10 | 2087403387 |
11 | 981315073 |
12 | 4a30980a3 |
13 | 2735ca444 |
14 | 15b32b73d |
15 | c33c9d5c |
hex | 7c6b3f7b |
2087403387 has 16 divisors (see below), whose sum is σ = 2926395648. Its totient is φ = 1320931040.
The previous prime is 2087403379. The next prime is 2087403397. The reversal of 2087403387 is 7833047802.
It is a cyclic number.
It is not a de Polignac number, because 2087403387 - 23 = 2087403379 is a prime.
It is a super-3 number, since 3×20874033873 (a number of 29 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (2087403317) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106428 + ... + 124505.
It is an arithmetic number, because the mean of its divisors is an integer number (182899728).
Almost surely, 22087403387 is an apocalyptic number.
2087403387 is a deficient number, since it is larger than the sum of its proper divisors (838992261).
2087403387 is a wasteful number, since it uses less digits than its factorization.
2087403387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231090.
The product of its (nonzero) digits is 225792, while the sum is 42.
The square root of 2087403387 is about 45688.1099083777. The cubic root of 2087403387 is about 1278.0135584289.
The spelling of 2087403387 in words is "two billion, eighty-seven million, four hundred three thousand, three hundred eighty-seven".
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