Search a number
-
+
10111013120 = 285132431087
BaseRepresentation
bin10010110101010100…
…11101000100000000
3222002122122200111102
421122222131010000
5131201404404440
64351150033532
7505363123235
oct113252350400
928078580442
1010111013120
11431944889a
121b621a88a8
13c519b8a00
146bcbbd78c
153e29dab15
hex25aa9d100

10111013120 has 216 divisors, whose sum is σ = 26859926016. Its totient is φ = 3643121664.

The previous prime is 10111013113. The next prime is 10111013123. The reversal of 10111013120 is 2131011101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10111013123) 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 23 ways as a sum of consecutive naturals, for example, 9301217 + ... + 9302303.

Almost surely, 210111013120 is an apocalyptic number.

10111013120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10111013120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13429963008).

10111013120 is an abundant number, since it is smaller than the sum of its proper divisors (16748912896).

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

10111013120 is a wasteful number, since it uses less digits than its factorization.

10111013120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 10111013120 its reverse (2131011101), we get a palindrome (12242024221).

The spelling of 10111013120 in words is "ten billion, one hundred eleven million, thirteen thousand, one hundred twenty".