Base | Representation |
---|---|
bin | 11000011001101010… |
… | …11000101011111001 |
3 | 1020210222101021212210 |
4 | 30030311120223321 |
5 | 203312124120400 |
6 | 10003531125333 |
7 | 642431026425 |
oct | 141465305371 |
9 | 36728337783 |
10 | 13100223225 |
11 | 5612809671 |
12 | 26572a3849 |
13 | 130a092c9b |
14 | 8c3bb7b85 |
15 | 51a14c950 |
hex | 30cd58af9 |
13100223225 has 24 divisors (see below), whose sum is σ = 21662720640. Its totient is φ = 6985597120.
The previous prime is 13100223223. The next prime is 13100223271. The reversal of 13100223225 is 52232200131.
It is not a de Polignac number, because 13100223225 - 21 = 13100223223 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13100223221) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 594352 + ... + 615998.
It is an arithmetic number, because the mean of its divisors is an integer number (902613360).
Almost surely, 213100223225 is an apocalyptic number.
13100223225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13100223225 is a deficient number, since it is larger than the sum of its proper divisors (8562497415).
13100223225 is a wasteful number, since it uses less digits than its factorization.
13100223225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29729 (or 29724 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 21.
Adding to 13100223225 its reverse (52232200131), we get a palindrome (65332423356).
The spelling of 13100223225 in words is "thirteen billion, one hundred million, two hundred twenty-three thousand, two hundred twenty-five".
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