Search a number
-
+
3101120213 = 14723210631
BaseRepresentation
bin1011100011010111…
…0101011011010101
322000010022020012012
42320311311123111
522322341321323
61231415434005
7136564041542
oct27065653325
98003266165
103101120213
111351557574
12726685905
133a562ab99
14215c09bc9
151323ba678
hexb8d756d5

3101120213 has 4 divisors (see below), whose sum is σ = 3101345568. Its totient is φ = 3100894860.

The previous prime is 3101120203. The next prime is 3101120221. The reversal of 3101120213 is 3120211013.

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 3101120213 - 230 = 2027378389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101120203) 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, 90593 + ... + 120038.

It is an arithmetic number, because the mean of its divisors is an integer number (775336392).

Almost surely, 23101120213 is an apocalyptic number.

It is an amenable number.

3101120213 is a deficient number, since it is larger than the sum of its proper divisors (225355).

3101120213 is a wasteful number, since it uses less digits than its factorization.

3101120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225354.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3101120213 is about 55687.7025293736. The cubic root of 3101120213 is about 1458.2753471787.

Adding to 3101120213 its reverse (3120211013), we get a palindrome (6221331226).

The spelling of 3101120213 in words is "three billion, one hundred one million, one hundred twenty thousand, two hundred thirteen".

Divisors: 1 14723 210631 3101120213