Base | Representation |
---|---|
bin | 1111100110011001… |
… | …00111110010001111 |
3 | 210121200022011111210 |
4 | 13303030213302033 |
5 | 114123013430341 |
6 | 3503020145503 |
7 | 414354340146 |
oct | 76314476217 |
9 | 23550264453 |
10 | 8375139471 |
11 | 3608603276 |
12 | 1758998293 |
13 | a3618bb3a |
14 | 59643a75d |
15 | 3403ecc16 |
hex | 1f3327c8f |
8375139471 has 8 divisors (see below), whose sum is σ = 11823726384. Its totient is φ = 5254989440.
The previous prime is 8375139463. The next prime is 8375139491. The reversal of 8375139471 is 1749315738.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8375139471 - 23 = 8375139463 is a prime.
It is a super-3 number, since 3×83751394713 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 8375139471.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8375139491) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82109160 + ... + 82109261.
It is an arithmetic number, because the mean of its divisors is an integer number (1477965798).
Almost surely, 28375139471 is an apocalyptic number.
8375139471 is a deficient number, since it is larger than the sum of its proper divisors (3448586913).
8375139471 is a wasteful number, since it uses less digits than its factorization.
8375139471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164218441.
The product of its digits is 635040, while the sum is 48.
The square root of 8375139471 is about 91515.7880969180. The cubic root of 8375139471 is about 2030.7853231588.
The spelling of 8375139471 in words is "eight billion, three hundred seventy-five million, one hundred thirty-nine thousand, four hundred seventy-one".
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