Search a number
-
+
13532025251 = 49663272477
BaseRepresentation
bin11001001101001001…
…00101000110100011
31021221001220002220102
430212210211012203
5210203144302001
610114434133015
7656223213443
oct144644450643
937831802812
1013532025251
115814525948
122757a2116b
13137868a844
1492529a123
15542ee3e6b
hex3269251a3

13532025251 has 4 divisors (see below), whose sum is σ = 13532347392. Its totient is φ = 13531703112.

The previous prime is 13532025193. The next prime is 13532025271. The reversal of 13532025251 is 15252023531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15252023531 = 79193063589.

It is a cyclic number.

It is not a de Polignac number, because 13532025251 - 222 = 13527830947 is a prime.

It is a super-2 number, since 2×135320252512 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13532025271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86576 + ... + 185901.

It is an arithmetic number, because the mean of its divisors is an integer number (3383086848).

Almost surely, 213532025251 is an apocalyptic number.

13532025251 is a deficient number, since it is larger than the sum of its proper divisors (322141).

13532025251 is an equidigital number, since it uses as much as digits as its factorization.

13532025251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322140.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 13532025251 its reverse (15252023531), we get a palindrome (28784048782).

The spelling of 13532025251 in words is "thirteen billion, five hundred thirty-two million, twenty-five thousand, two hundred fifty-one".

Divisors: 1 49663 272477 13532025251