Search a number
-
+
6136902121 = 7876700303
BaseRepresentation
bin1011011011100100…
…11011000111101001
3120211200122221002011
411231302123013221
5100032021331441
62452543035521
7305035543630
oct55562330751
916750587064
106136902121
11266a137439
12123329bba1
1376a56003c
14423088517
1525db7b581
hex16dc9b1e9

6136902121 has 4 divisors (see below), whose sum is σ = 7013602432. Its totient is φ = 5260201812.

The previous prime is 6136902091. The next prime is 6136902137. The reversal of 6136902121 is 1212096316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6136902121 - 25 = 6136902089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6136902151) 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, 438350145 + ... + 438350158.

It is an arithmetic number, because the mean of its divisors is an integer number (1753400608).

Almost surely, 26136902121 is an apocalyptic number.

It is an amenable number.

6136902121 is a deficient number, since it is larger than the sum of its proper divisors (876700311).

6136902121 is an equidigital number, since it uses as much as digits as its factorization.

6136902121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876700310.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 6136902121 is about 78338.3821699172. The cubic root of 6136902121 is about 1830.8372174237.

Adding to 6136902121 its reverse (1212096316), we get a palindrome (7348998437).

The spelling of 6136902121 in words is "six billion, one hundred thirty-six million, nine hundred two thousand, one hundred twenty-one".

Divisors: 1 7 876700303 6136902121