Base | Representation |
---|---|
bin | 10011101000001111… |
… | …10010111011110111 |
3 | 1000012102100201221221 |
4 | 21310013302323313 |
5 | 133040230312122 |
6 | 4501404451211 |
7 | 522100446331 |
oct | 116407627367 |
9 | 30172321857 |
10 | 10538135287 |
11 | 4518559019 |
12 | 2061249b07 |
13 | cbc335414 |
14 | 71d804451 |
15 | 41a25a6c7 |
hex | 2741f2ef7 |
10538135287 has 16 divisors (see below), whose sum is σ = 11197999872. Its totient is φ = 9882795520.
The previous prime is 10538135269. The next prime is 10538135291. The reversal of 10538135287 is 78253183501.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10538135287 is a prime.
It is a super-2 number, since 2×105381352872 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10538135227) 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, 9931737 + ... + 9932797.
It is an arithmetic number, because the mean of its divisors is an integer number (699874992).
Almost surely, 210538135287 is an apocalyptic number.
10538135287 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
10538135287 is a deficient number, since it is larger than the sum of its proper divisors (659864585).
10538135287 is a wasteful number, since it uses less digits than its factorization.
10538135287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2618.
The product of its (nonzero) digits is 201600, while the sum is 43.
The spelling of 10538135287 in words is "ten billion, five hundred thirty-eight million, one hundred thirty-five thousand, two hundred eighty-seven".
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