Base | Representation |
---|---|
bin | 11000101011110010… |
… | …10101100100111111 |
3 | 1021012120110020220210 |
4 | 30111321111210333 |
5 | 204120034112030 |
6 | 10031001443503 |
7 | 646255205040 |
oct | 142571254477 |
9 | 37176406823 |
10 | 13252254015 |
11 | 5690608650 |
12 | 269a1a0593 |
13 | 1332723330 |
14 | 8da0708c7 |
15 | 52867dbb0 |
hex | 315e5593f |
13252254015 has 256 divisors, whose sum is σ = 29875765248. Its totient is φ = 4838400000.
The previous prime is 13252253983. The next prime is 13252254017. The reversal of 13252254015 is 51045225231.
It is not a de Polignac number, because 13252254015 - 25 = 13252253983 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13252254017) by changing a digit.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 33047815 + ... + 33048215.
It is an arithmetic number, because the mean of its divisors is an integer number (116702208).
Almost surely, 213252254015 is an apocalyptic number.
13252254015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13252254015 is an abundant number, since it is smaller than the sum of its proper divisors (16623511233).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13252254015 is a wasteful number, since it uses less digits than its factorization.
13252254015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 542.
The product of its (nonzero) digits is 12000, while the sum is 30.
Adding to 13252254015 its reverse (51045225231), we get a palindrome (64297479246).
The spelling of 13252254015 in words is "thirteen billion, two hundred fifty-two million, two hundred fifty-four thousand, fifteen".
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