Base | Representation |
---|---|
bin | 11001001101011000… |
… | …10010010000111101 |
3 | 1021221012200201211000 |
4 | 30212230102100331 |
5 | 210204203421440 |
6 | 10114545320513 |
7 | 656246325600 |
oct | 144654222075 |
9 | 37835621730 |
10 | 13534045245 |
11 | 5815685566 |
12 | 2758636139 |
13 | 1378c170c6 |
14 | 925664337 |
15 | 543292730 |
hex | 326b1243d |
13534045245 has 48 divisors (see below), whose sum is σ = 27988787520. Its totient is φ = 6186989088.
The previous prime is 13534045243. The next prime is 13534045271. The reversal of 13534045245 is 54254043531.
13534045245 is a `hidden beast` number, since 1 + 3 + 5 + 3 + 404 + 5 + 245 = 666.
It is not a de Polignac number, because 13534045245 - 21 = 13534045243 is a prime.
It is a super-2 number, since 2×135340452452 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13534045241) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1016367 + ... + 1029596.
It is an arithmetic number, because the mean of its divisors is an integer number (583099740).
Almost surely, 213534045245 is an apocalyptic number.
13534045245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13534045245 is an abundant number, since it is smaller than the sum of its proper divisors (14454742275).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13534045245 is a wasteful number, since it uses less digits than its factorization.
13534045245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2045991 (or 2045978 counting only the distinct ones).
The product of its (nonzero) digits is 144000, while the sum is 36.
Adding to 13534045245 its reverse (54254043531), we get a palindrome (67788088776).
The spelling of 13534045245 in words is "thirteen billion, five hundred thirty-four million, forty-five thousand, two hundred forty-five".
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