Search a number
-
+
121223433102 = 2373276765829
BaseRepresentation
bin111000011100101111…
…0101100101110001110
3102120220021021110012120
41300321132230232032
53441231144324402
6131404514513410
711521013115522
oct1607136545616
9376807243176
10121223433102
1147457516562
121b5b1595866
13b57b7c4795
145c1da15d82
1532475be3bc
hex1c397acb8e

121223433102 has 16 divisors (see below), whose sum is σ = 245768057040. Its totient is φ = 39854279232.

The previous prime is 121223433073. The next prime is 121223433103. The reversal of 121223433102 is 201334322121.

121223433102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121223433103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138382477 + ... + 138383352.

It is an arithmetic number, because the mean of its divisors is an integer number (15360503565).

Almost surely, 2121223433102 is an apocalyptic number.

121223433102 is an abundant number, since it is smaller than the sum of its proper divisors (124544623938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121223433102 is a wasteful number, since it uses less digits than its factorization.

121223433102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276765907.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121223433102 its reverse (201334322121), we get a palindrome (322557755223).

The spelling of 121223433102 in words is "one hundred twenty-one billion, two hundred twenty-three million, four hundred thirty-three thousand, one hundred two".

Divisors: 1 2 3 6 73 146 219 438 276765829 553531658 830297487 1660594974 20203905517 40407811034 60611716551 121223433102