Base | Representation |
---|---|
bin | 1000000110000101101… |
… | …0000110100001001111 |
3 | 111021222020201211202222 |
4 | 2001201122012201033 |
5 | 4234310213421441 |
6 | 143520033005555 |
7 | 13022235401204 |
oct | 2014132064117 |
9 | 437866654688 |
10 | 139073185871 |
11 | 53a87207a54 |
12 | 22b533b38bb |
13 | 1016486a779 |
14 | 6a344d1cab |
15 | 393e699d4b |
hex | 206168684f |
139073185871 has 8 divisors (see below), whose sum is σ = 143896694400. Its totient is φ = 134251536160.
The previous prime is 139073185817. The next prime is 139073185877. The reversal of 139073185871 is 178581370931.
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 139073185871 - 234 = 121893316687 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 (139073185877) 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, 311615 + ... + 612576.
It is an arithmetic number, because the mean of its divisors is an integer number (17987086800).
Almost surely, 2139073185871 is an apocalyptic number.
139073185871 is a deficient number, since it is larger than the sum of its proper divisors (4823508529).
139073185871 is an equidigital number, since it uses as much as digits as its factorization.
139073185871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 929409.
The product of its (nonzero) digits is 1270080, while the sum is 53.
The spelling of 139073185871 in words is "one hundred thirty-nine billion, seventy-three million, one hundred eighty-five thousand, eight hundred seventy-one".
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