Search a number
-
+
103133221221 = 397813514747
BaseRepresentation
bin110000000001100111…
…0000001000101100101
3100212012112100110202010
41200003032001011211
53142204101034341
6115213450504433
710310510626152
oct1400316010545
9325175313663
10103133221221
113a814018628
1217ba3135119
1399579999b4
144dc5225229
152a39346716
hex1803381165

103133221221 has 8 divisors (see below), whose sum is σ = 137525059744. Its totient is φ = 68748431760.

The previous prime is 103133221201. The next prime is 103133221297. The reversal of 103133221221 is 122122331301.

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

It is not a de Polignac number, because 103133221221 - 221 = 103131124069 is a prime.

It is a super-2 number, since 2×1031332212212 (a number of 23 digits) contains 22 as substring.

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 (103133221201) 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 7 ways as a sum of consecutive naturals, for example, 1728031 + ... + 1786716.

It is an arithmetic number, because the mean of its divisors is an integer number (17190632468).

Almost surely, 2103133221221 is an apocalyptic number.

It is an amenable number.

103133221221 is a deficient number, since it is larger than the sum of its proper divisors (34391838523).

103133221221 is an equidigital number, since it uses as much as digits as its factorization.

103133221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524531.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 103133221221 its reverse (122122331301), we get a palindrome (225255552522).

The spelling of 103133221221 in words is "one hundred three billion, one hundred thirty-three million, two hundred twenty-one thousand, two hundred twenty-one".

Divisors: 1 3 9781 29343 3514747 10544241 34377740407 103133221221