Search a number
-
+
27353708131 = 191439668849
BaseRepresentation
bin11001011110011010…
…000111011001100011
32121121022211100101011
4121132122013121203
5422010022130011
620322140521351
71655564453131
oct313632073143
977538740334
1027353708131
1110667500862
125374850257
13276c064819
141476bd6751
15aa1652621
hex65e687663

27353708131 has 4 divisors (see below), whose sum is σ = 28793377000. Its totient is φ = 25914039264.

The previous prime is 27353708119. The next prime is 27353708141. The reversal of 27353708131 is 13180735372.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27353708131 is a prime.

It is a super-2 number, since 2×273537081312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27353708141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719834406 + ... + 719834443.

It is an arithmetic number, because the mean of its divisors is an integer number (7198344250).

Almost surely, 227353708131 is an apocalyptic number.

27353708131 is a deficient number, since it is larger than the sum of its proper divisors (1439668869).

27353708131 is a wasteful number, since it uses less digits than its factorization.

27353708131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439668868.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 27353708131 in words is "twenty-seven billion, three hundred fifty-three million, seven hundred eight thousand, one hundred thirty-one".

Divisors: 1 19 1439668849 27353708131