Base | Representation |
---|---|
bin | 10111111110100000… |
… | …01000000111000011 |
3 | 1020020002121020121000 |
4 | 23333100020013003 |
5 | 202330310232240 |
6 | 5525151103043 |
7 | 633663121413 |
oct | 137720100703 |
9 | 36202536530 |
10 | 12872352195 |
11 | 550611a7aa |
12 | 25b2b11a83 |
13 | 12a1acaa61 |
14 | 8a181c643 |
15 | 50513a430 |
hex | 2ff4081c3 |
12872352195 has 32 divisors (see below), whose sum is σ = 22898859840. Its totient is φ = 6860851200.
The previous prime is 12872352191. The next prime is 12872352197. The reversal of 12872352195 is 59125327821.
12872352195 is a `hidden beast` number, since 1 + 287 + 2 + 352 + 19 + 5 = 666.
It is not a de Polignac number, because 12872352195 - 22 = 12872352191 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 12872352195.
It is not an unprimeable number, because it can be changed into a prime (12872352191) 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, 186357 + ... + 245913.
It is an arithmetic number, because the mean of its divisors is an integer number (715589370).
Almost surely, 212872352195 is an apocalyptic number.
12872352195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12872352195 is a deficient number, since it is larger than the sum of its proper divisors (10026507645).
12872352195 is a wasteful number, since it uses less digits than its factorization.
12872352195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61172 (or 61166 counting only the distinct ones).
The product of its digits is 302400, while the sum is 45.
The spelling of 12872352195 in words is "twelve billion, eight hundred seventy-two million, three hundred fifty-two thousand, one hundred ninety-five".
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