Search a number
-
+
21141242301 = 37047080767
BaseRepresentation
bin10011101100000111…
…011100000110111101
32000120100222101101010
4103230013130012331
5321244124223201
613413454105433
71345620410634
oct235407340675
960510871333
1021141242301
118a69753283
1241201ab279
131cbbc6873a
141047abc51b
1583b04bbd6
hex4ec1dc1bd

21141242301 has 4 divisors (see below), whose sum is σ = 28188323072. Its totient is φ = 14094161532.

The previous prime is 21141242293. The next prime is 21141242333. The reversal of 21141242301 is 10324214112.

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 not a de Polignac number, because 21141242301 - 23 = 21141242293 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 (21141242341) 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, 3523540381 + ... + 3523540386.

It is an arithmetic number, because the mean of its divisors is an integer number (7047080768).

Almost surely, 221141242301 is an apocalyptic number.

It is an amenable number.

21141242301 is a deficient number, since it is larger than the sum of its proper divisors (7047080771).

21141242301 is an equidigital number, since it uses as much as digits as its factorization.

21141242301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7047080770.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21141242301 its reverse (10324214112), we get a palindrome (31465456413).

The spelling of 21141242301 in words is "twenty-one billion, one hundred forty-one million, two hundred forty-two thousand, three hundred one".

Divisors: 1 3 7047080767 21141242301