Search a number
-
+
3103674121 = 25712076553
BaseRepresentation
bin1011100011111110…
…0100111100001001
322000022002222111101
42320333210330021
522324020032441
61231550301401
7136624536412
oct27077447411
98008088441
103103674121
111352a41339
127274b7861
133a6013482
142162b2809
15132722231
hexb8fe4f09

3103674121 has 4 divisors (see below), whose sum is σ = 3115750932. Its totient is φ = 3091597312.

The previous prime is 3103674113. The next prime is 3103674131. The reversal of 3103674121 is 1214763013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1214763013 = 7915376747.

It can be written as a sum of positive squares in 2 ways, for example, as 2543689225 + 559984896 = 50435^2 + 23664^2 .

It is a cyclic number.

It is not a de Polignac number, because 3103674121 - 23 = 3103674113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3103674121.

It is not an unprimeable number, because it can be changed into a prime (3103674131) 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, 6038020 + ... + 6038533.

It is an arithmetic number, because the mean of its divisors is an integer number (778937733).

Almost surely, 23103674121 is an apocalyptic number.

It is an amenable number.

3103674121 is a deficient number, since it is larger than the sum of its proper divisors (12076811).

3103674121 is a wasteful number, since it uses less digits than its factorization.

3103674121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12076810.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 3103674121 is about 55710.6284383869. The cubic root of 3103674121 is about 1458.6755551586.

The spelling of 3103674121 in words is "three billion, one hundred three million, six hundred seventy-four thousand, one hundred twenty-one".

Divisors: 1 257 12076553 3103674121