Search a number
-
+
121323410441 = 3720921156733
BaseRepresentation
bin111000011111101110…
…0000101010000001001
3102121011020101211022222
41300333130011100021
53441432243113231
6131422445423425
711523335654612
oct1607734052011
9377136354288
10121323410441
11474a89a1a62
121b61ab6ab75
13b59642ab7c
145c2cddcc09
15325126c27b
hex1c3f705409

121323410441 has 8 divisors (see below), whose sum is σ = 124609172424. Its totient is φ = 118038003840.

The previous prime is 121323410381. The next prime is 121323410497. The reversal of 121323410441 is 144014323121.

It can be written as a sum of positive squares in 4 ways, for example, as 52139155600 + 69184254841 = 228340^2 + 263029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121323410441 - 226 = 121256301577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121323410441.

It is not an unprimeable number, because it can be changed into a prime (121323410641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695711 + ... + 852443.

It is an arithmetic number, because the mean of its divisors is an integer number (15576146553).

Almost surely, 2121323410441 is an apocalyptic number.

It is an amenable number.

121323410441 is a deficient number, since it is larger than the sum of its proper divisors (3285761983).

121323410441 is a wasteful number, since it uses less digits than its factorization.

121323410441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177691.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 121323410441 its reverse (144014323121), we get a palindrome (265337733562).

The spelling of 121323410441 in words is "one hundred twenty-one billion, three hundred twenty-three million, four hundred ten thousand, four hundred forty-one".

Divisors: 1 37 20921 156733 774077 5799121 3279011093 121323410441