Base | Representation |
---|---|
bin | 10011111010110010111001… |
… | …111101000010010001000011 |
3 | 102111011210100200221012022120 |
4 | 103322302321331002101003 |
5 | 42440243000311113433 |
6 | 510152215442535323 |
7 | 24311061523153251 |
oct | 2372627175022103 |
9 | 374153320835276 |
10 | 87603272754243 |
11 | 25a05380725754 |
12 | 99aa126967543 |
13 | 39b5c5117abcc |
14 | 178c0419975d1 |
15 | a1db674757b3 |
hex | 4facb9f42443 |
87603272754243 has 32 divisors (see below), whose sum is σ = 122291540985600. Its totient is φ = 55707281567616.
The previous prime is 87603272754233. The next prime is 87603272754307. The reversal of 87603272754243 is 34245727230678.
It is a Cunningham number, because it is equal to 93596622-1.
It is a de Polignac number, because none of the positive numbers 2k-87603272754243 is a prime.
It is not an unprimeable number, because it can be changed into a prime (87603272754233) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271268796 + ... + 271591542.
It is an arithmetic number, because the mean of its divisors is an integer number (3821610655800).
Almost surely, 287603272754243 is an apocalyptic number.
87603272754243 is a gapful number since it is divisible by the number (83) formed by its first and last digit.
87603272754243 is a deficient number, since it is larger than the sum of its proper divisors (34688268231357).
87603272754243 is a wasteful number, since it uses less digits than its factorization.
87603272754243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 360451.
The product of its (nonzero) digits is 94832640, while the sum is 60.
The spelling of 87603272754243 in words is "eighty-seven trillion, six hundred three billion, two hundred seventy-two million, seven hundred fifty-four thousand, two hundred forty-three".
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