Base | Representation |
---|---|
bin | 11000011100101001… |
… | …10000010000011111 |
3 | 1020212201102102202020 |
4 | 30032110300100133 |
5 | 203340024122310 |
6 | 10010223031223 |
7 | 643153362411 |
oct | 141624602037 |
9 | 36781372666 |
10 | 13125223455 |
11 | 5625934713 |
12 | 266373b513 |
13 | 1312307316 |
14 | 8c72449b1 |
15 | 51c43a170 |
hex | 30e53041f |
13125223455 has 16 divisors (see below), whose sum is σ = 21677789184. Its totient is φ = 6774308640.
The previous prime is 13125223429. The next prime is 13125223459. The reversal of 13125223455 is 55432252131.
It is not a de Polignac number, because 13125223455 - 27 = 13125223327 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13125223459) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14112679 + ... + 14113608.
It is an arithmetic number, because the mean of its divisors is an integer number (1354861824).
Almost surely, 213125223455 is an apocalyptic number.
13125223455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13125223455 is a deficient number, since it is larger than the sum of its proper divisors (8552565729).
13125223455 is a wasteful number, since it uses less digits than its factorization.
13125223455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28226326.
The product of its digits is 36000, while the sum is 33.
Adding to 13125223455 its reverse (55432252131), we get a palindrome (68557475586).
The spelling of 13125223455 in words is "thirteen billion, one hundred twenty-five million, two hundred twenty-three thousand, four hundred fifty-five".
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