Search a number
-
+
10131101 = 43235607
BaseRepresentation
bin100110101001…
…011010011101
3201001201020222
4212221122131
510043143401
61001051125
7152053511
oct46513235
921051228
1010131101
11579a712
123486aa5
132139446
1414ba141
15d51c1b
hex9a969d

10131101 has 4 divisors (see below), whose sum is σ = 10366752. Its totient is φ = 9895452.

The previous prime is 10131097. The next prime is 10131127. The reversal of 10131101 is 10113101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10113101 = 41246661.

It is a cyclic number.

It is not a de Polignac number, because 10131101 - 22 = 10131097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117761 + ... + 117846.

It is an arithmetic number, because the mean of its divisors is an integer number (2591688).

Almost surely, 210131101 is an apocalyptic number.

It is an amenable number.

10131101 is a deficient number, since it is larger than the sum of its proper divisors (235651).

10131101 is an equidigital number, since it uses as much as digits as its factorization.

10131101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235650.

The product of its (nonzero) digits is 3, while the sum is 8.

The square root of 10131101 is about 3182.9390506260. The cubic root of 10131101 is about 216.3808794861.

Adding to 10131101 its reverse (10113101), we get a palindrome (20244202).

The spelling of 10131101 in words is "ten million, one hundred thirty-one thousand, one hundred one".

Divisors: 1 43 235607 10131101