Search a number
-
+
2501124131 = 11227374921
BaseRepresentation
bin1001010100010100…
…0010000000100011
320110022022021022002
42111011002000203
520110241433011
61052103434215
7115660130042
oct22505020043
96408267262
102501124131
111073901640
1259975596b
1330b23400c
1419a264559
15e989dc3b
hex95142023

2501124131 has 4 divisors (see below), whose sum is σ = 2728499064. Its totient is φ = 2273749200.

The previous prime is 2501124089. The next prime is 2501124163. The reversal of 2501124131 is 1314211052.

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-2501124131 is a prime.

It is a super-2 number, since 2×25011241312 = 12511243837341010322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2501124931) 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, 113687450 + ... + 113687471.

It is an arithmetic number, because the mean of its divisors is an integer number (682124766).

Almost surely, 22501124131 is an apocalyptic number.

2501124131 is a deficient number, since it is larger than the sum of its proper divisors (227374933).

2501124131 is a wasteful number, since it uses less digits than its factorization.

2501124131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227374932.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2501124131 is about 50011.2400466135. The cubic root of 2501124131 is about 1357.4122018810.

Adding to 2501124131 its reverse (1314211052), we get a palindrome (3815335183).

The spelling of 2501124131 in words is "two billion, five hundred one million, one hundred twenty-four thousand, one hundred thirty-one".

Divisors: 1 11 227374921 2501124131