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111311013120 = 2835373132503
BaseRepresentation
bin110011110101010100…
…1110100010100000000
3101122022110022100021120
41213222221310110000
53310431104404440
6123045141152240
711020251000066
oct1475251642400
9348273270246
10111311013120
114323018a72a
12196a59bb680
13a65bcbc908
14555d370036
152d67260dd0
hex19eaa74500

111311013120 has 288 divisors, whose sum is σ = 366420456192. Its totient is φ = 28776923136.

The previous prime is 111311013061. The next prime is 111311013167. The reversal of 111311013120 is 21310113111.

111311013120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111311013120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44469789 + ... + 44472291.

Almost surely, 2111311013120 is an apocalyptic number.

111311013120 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 111311013120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183210228096).

111311013120 is an abundant number, since it is smaller than the sum of its proper divisors (255109443072).

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

111311013120 is a wasteful number, since it uses less digits than its factorization.

111311013120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877 (or 2863 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 111311013120 its reverse (21310113111), we get a palindrome (132621126231).

Subtracting from 111311013120 its reverse (21310113111), we obtain a palindrome (90000900009).

The spelling of 111311013120 in words is "one hundred eleven billion, three hundred eleven million, thirteen thousand, one hundred twenty".