Base | Representation |
---|---|
bin | 111111101100111… |
… | …1000001101110001 |
3 | 12111222001202110000 |
4 | 1333121320031301 |
5 | 13334144142124 |
6 | 552033500213 |
7 | 103653240054 |
oct | 17731701561 |
9 | 5458052400 |
10 | 2137490289 |
11 | 9a7615100 |
12 | 4b7a11669 |
13 | 280ab626c |
14 | 163c48a9b |
15 | c79c06c9 |
hex | 7f678371 |
2137490289 has 45 divisors (see below), whose sum is σ = 3517237801. Its totient is φ = 1292674680.
The previous prime is 2137490221. The next prime is 2137490309. The reversal of 2137490289 is 9820947312.
The square root of 2137490289 is 46233.
It is a perfect power (a square), and thus also a powerful number.
2137490289 is a `hidden beast` number, since 2 + 137 + 490 + 28 + 9 = 666.
It is not a de Polignac number, because 2137490289 - 27 = 2137490161 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2137490209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 4576834 + ... + 4577300.
Almost surely, 22137490289 is an apocalyptic number.
2137490289 is the 46233-rd square number.
2137490289 is the 23117-th centered octagonal number.
It is an amenable number.
2137490289 is a deficient number, since it is larger than the sum of its proper divisors (1379747512).
2137490289 is an frugal number, since it uses more digits than its factorization.
2137490289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 968 (or 481 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The cubic root of 2137490289 is about 1288.1547820832.
The spelling of 2137490289 in words is "two billion, one hundred thirty-seven million, four hundred ninety thousand, two hundred eighty-nine".
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