Base | Representation |
---|---|
bin | 11000010000010000… |
… | …00011010001110011 |
3 | 1020121110202000211000 |
4 | 30020020003101303 |
5 | 203131413331240 |
6 | 5552030053043 |
7 | 640451426151 |
oct | 141010032163 |
9 | 36543660730 |
10 | 13021230195 |
11 | 5582165a76 |
12 | 263494a183 |
13 | 12c68c604c |
14 | 8b74d43d1 |
15 | 513247430 |
hex | 308203473 |
13021230195 has 32 divisors (see below), whose sum is σ = 24367219200. Its totient is φ = 6579146592.
The previous prime is 13021230191. The next prime is 13021230199. The reversal of 13021230195 is 59103212031.
It is an interprime number because it is at equal distance from previous prime (13021230191) and next prime (13021230199).
It is not a de Polignac number, because 13021230195 - 22 = 13021230191 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (13021230191) 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, 2535687 + ... + 2540816.
It is an arithmetic number, because the mean of its divisors is an integer number (761475600).
Almost surely, 213021230195 is an apocalyptic number.
13021230195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13021230195 is a deficient number, since it is larger than the sum of its proper divisors (11345989005).
13021230195 is a wasteful number, since it uses less digits than its factorization.
13021230195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5076536 (or 5076530 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 27.
The spelling of 13021230195 in words is "thirteen billion, twenty-one million, two hundred thirty thousand, one hundred ninety-five".
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