Search a number
-
+
3100112041 = 13238470157
BaseRepresentation
bin1011100011000111…
…1111010010101001
322000001102000020111
42320301333102221
522322112041131
61231342054321
7136552342345
oct27061772251
98001360214
103100112041
111350a29074
1272627a3a1
133a5367030
14215a26625
1513226bab1
hexb8c7f4a9

3100112041 has 4 divisors (see below), whose sum is σ = 3338582212. Its totient is φ = 2861641872.

The previous prime is 3100112039. The next prime is 3100112053. The reversal of 3100112041 is 1402110013.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1753515625 + 1346596416 = 41875^2 + 36696^2 .

It is a cyclic number.

It is not a de Polignac number, because 3100112041 - 21 = 3100112039 is a prime.

It is a super-2 number, since 2×31001120412 = 19221389333506371362, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 238470157 = 3100112041 / (3 + 1 + 0 + 0 + 1 + 1 + 2 + 0 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3100122041) 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, 119235066 + ... + 119235091.

It is an arithmetic number, because the mean of its divisors is an integer number (834645553).

Almost surely, 23100112041 is an apocalyptic number.

It is an amenable number.

3100112041 is a deficient number, since it is larger than the sum of its proper divisors (238470171).

3100112041 is a wasteful number, since it uses less digits than its factorization.

3100112041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238470170.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 3100112041 is about 55678.6497770914. The cubic root of 3100112041 is about 1458.1173019541.

Adding to 3100112041 its reverse (1402110013), we get a palindrome (4502222054).

The spelling of 3100112041 in words is "three billion, one hundred million, one hundred twelve thousand, forty-one".

Divisors: 1 13 238470157 3100112041