Base | Representation |
---|---|
bin | 1000000000001010111… |
… | …1111110111001001111 |
3 | 111010212120110000200212 |
4 | 2000002233332321033 |
5 | 4223032140230122 |
6 | 143054302313035 |
7 | 12635002644233 |
oct | 2000257767117 |
9 | 433776400625 |
10 | 137485086287 |
11 | 5334182425a |
12 | 2278b58877b |
13 | cc70840583 |
14 | 69236185c3 |
15 | 389a04bce2 |
hex | 2002bfee4f |
137485086287 has 4 divisors (see below), whose sum is σ = 144721143480. Its totient is φ = 130249029096.
The previous prime is 137485086259. The next prime is 137485086293. The reversal of 137485086287 is 782680584731.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782680584731 = 2393 ⋅327070867.
It is a cyclic number.
It is not a de Polignac number, because 137485086287 - 26 = 137485086223 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 (137485086257) 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, 3618028568 + ... + 3618028605.
It is an arithmetic number, because the mean of its divisors is an integer number (36180285870).
Almost surely, 2137485086287 is an apocalyptic number.
137485086287 is a deficient number, since it is larger than the sum of its proper divisors (7236057193).
137485086287 is an equidigital number, since it uses as much as digits as its factorization.
137485086287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7236057192.
The product of its (nonzero) digits is 18063360, while the sum is 59.
The spelling of 137485086287 in words is "one hundred thirty-seven billion, four hundred eighty-five million, eighty-six thousand, two hundred eighty-seven".
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