Base | Representation |
---|---|
bin | 1011101100010101… |
… | …0110111111001111 |
3 | 22002202002201200211 |
4 | 2323011112333033 |
5 | 22412004304041 |
6 | 1235242103251 |
7 | 140531612635 |
oct | 27305267717 |
9 | 8082081624 |
10 | 3138744271 |
11 | 1370815033 |
12 | 7371aab27 |
13 | 3b0372140 |
14 | 21ac01355 |
15 | 13584d481 |
hex | bb156fcf |
3138744271 has 16 divisors (see below), whose sum is σ = 3483849600. Its totient is φ = 2809582848.
The previous prime is 3138744253. The next prime is 3138744277. The reversal of 3138744271 is 1724478313.
It is a cyclic number.
It is not a de Polignac number, because 3138744271 - 27 = 3138744143 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 (3138744277) 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, 43035 + ... + 90163.
It is an arithmetic number, because the mean of its divisors is an integer number (217740600).
Almost surely, 23138744271 is an apocalyptic number.
3138744271 is a deficient number, since it is larger than the sum of its proper divisors (345105329).
3138744271 is a wasteful number, since it uses less digits than its factorization.
3138744271 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47298.
The product of its digits is 112896, while the sum is 40.
The square root of 3138744271 is about 56024.4970615534. The cubic root of 3138744271 is about 1464.1491206895.
The spelling of 3138744271 in words is "three billion, one hundred thirty-eight million, seven hundred forty-four thousand, two hundred seventy-one".
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