Base | Representation |
---|---|
bin | 111000010110100010010… |
… | …001111000101011011001 |
3 | 111201012120100121121210001 |
4 | 320112202101320223121 |
5 | 1001421323430200124 |
6 | 12122555124053001 |
7 | 546530603002621 |
oct | 70264221705331 |
9 | 14635510547701 |
10 | 3872488131289 |
11 | 126334965a398 |
12 | 526620534161 |
13 | 22123555904b |
14 | d56024b5881 |
15 | 6aaeb7cab44 |
hex | 385a2478ad9 |
3872488131289 has 4 divisors (see below), whose sum is σ = 3886468233124. Its totient is φ = 3858508029456.
The previous prime is 3872488131283. The next prime is 3872488131293. The reversal of 3872488131289 is 9821318842783.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1583721571600 + 2288766559689 = 1258460^2 + 1512867^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3872488131289 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 3872488131289.
It is not an unprimeable number, because it can be changed into a prime (3872488131283) 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, 6990050502 + ... + 6990051055.
It is an arithmetic number, because the mean of its divisors is an integer number (971617058281).
Almost surely, 23872488131289 is an apocalyptic number.
It is an amenable number.
3872488131289 is a deficient number, since it is larger than the sum of its proper divisors (13980101835).
3872488131289 is a wasteful number, since it uses less digits than its factorization.
3872488131289 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13980101834.
The product of its digits is 37158912, while the sum is 64.
The spelling of 3872488131289 in words is "three trillion, eight hundred seventy-two billion, four hundred eighty-eight million, one hundred thirty-one thousand, two hundred eighty-nine".
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