Search a number
-
+
104111376221 = 313358431491
BaseRepresentation
bin110000011110110000…
…1011000011101011101
3100221201200220220011002
41200331201120131131
53201210003014341
6115454512040045
710343656045046
oct1407541303535
9327650826132
10104111376221
1140176180996
1218216833025
139a82528a38
1450790c78cd
152a9516029b
hex183d85875d

104111376221 has 4 divisors (see below), whose sum is σ = 107469807744. Its totient is φ = 100752944700.

The previous prime is 104111376203. The next prime is 104111376241. The reversal of 104111376221 is 122673111401.

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: 122673111401 = 1091125441389.

It is a cyclic number.

It is not a de Polignac number, because 104111376221 - 26 = 104111376157 is a prime.

It is a super-3 number, since 3×1041113762213 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104111376241) 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, 1679215715 + ... + 1679215776.

It is an arithmetic number, because the mean of its divisors is an integer number (26867451936).

Almost surely, 2104111376221 is an apocalyptic number.

It is an amenable number.

104111376221 is a deficient number, since it is larger than the sum of its proper divisors (3358431523).

104111376221 is an equidigital number, since it uses as much as digits as its factorization.

104111376221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358431522.

The product of its (nonzero) digits is 2016, while the sum is 29.

Adding to 104111376221 its reverse (122673111401), we get a palindrome (226784487622).

The spelling of 104111376221 in words is "one hundred four billion, one hundred eleven million, three hundred seventy-six thousand, two hundred twenty-one".

Divisors: 1 31 3358431491 104111376221