Search a number
-
+
13542135331 = 83226771971
BaseRepresentation
bin11001001110010110…
…01001011000100011
31021221202220202022211
430213023021120203
5210213241312311
610115434542551
7656405152054
oct144713113043
937852822284
1013542135331
11581a20078a
12275b297a57
13137a7ba53a
1492676c72b
15543d3e821
hex3272c9623

13542135331 has 8 divisors (see below), whose sum is σ = 13711529664. Its totient is φ = 13372889640.

The previous prime is 13542135329. The next prime is 13542135337. The reversal of 13542135331 is 13353124531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13542135331 - 21 = 13542135329 is a prime.

It is a super-2 number, since 2×135421353312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13542135293 and 13542135302.

It is not an unprimeable number, because it can be changed into a prime (13542135337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152176 + ... + 224146.

It is an arithmetic number, because the mean of its divisors is an integer number (1713941208).

Almost surely, 213542135331 is an apocalyptic number.

13542135331 is a deficient number, since it is larger than the sum of its proper divisors (169394333).

13542135331 is an equidigital number, since it uses as much as digits as its factorization.

13542135331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74321.

The product of its digits is 16200, while the sum is 31.

Adding to 13542135331 its reverse (13353124531), we get a palindrome (26895259862).

The spelling of 13542135331 in words is "thirteen billion, five hundred forty-two million, one hundred thirty-five thousand, three hundred thirty-one".

Divisors: 1 83 2267 71971 188161 5973593 163158257 13542135331