Search a number
-
+
121030113102 = 2320171685517
BaseRepresentation
bin111000010110111110…
…1001111011101001110
3102120101210111210000120
41300231331033131032
53440332202104402
6131333411205410
711513144662413
oct1605575173516
9376353453016
10121030113102
1147368386368
121b5588a6866
13b54a738b52
145c0209210a
1532356343bc
hex1c2df4f74e

121030113102 has 8 divisors (see below), whose sum is σ = 242060226216. Its totient is φ = 40343371032.

The previous prime is 121030113101. The next prime is 121030113109. The reversal of 121030113102 is 201311030121.

It is a happy number.

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

121030113102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121030113101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10085842753 + ... + 10085842764.

It is an arithmetic number, because the mean of its divisors is an integer number (30257528277).

Almost surely, 2121030113102 is an apocalyptic number.

121030113102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121030113102 is a wasteful number, since it uses less digits than its factorization.

121030113102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20171685522.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 121030113102 its reverse (201311030121), we get a palindrome (322341143223).

The spelling of 121030113102 in words is "one hundred twenty-one billion, thirty million, one hundred thirteen thousand, one hundred two".

Divisors: 1 2 3 6 20171685517 40343371034 60515056551 121030113102