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111308135904 = 2533771259213
BaseRepresentation
bin110011110101001111…
…0110101110111100000
3101122022020220011111000
41213222132311313200
53310424340322104
6123044555352000
711020214354520
oct1475236656740
9348266804430
10111308135904
11432295a4a69
12196a4a52600
13a65b523114
14555cc21680
152d66d93639
hex19ea7b5de0

111308135904 has 192 divisors, whose sum is σ = 376254305280. Its totient is φ = 31354283520.

The previous prime is 111308135893. The next prime is 111308135989. The reversal of 111308135904 is 409531803111.

It is a happy number.

It is a super-2 number, since 2×1113081359042 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 299802 + ... + 559014.

It is an arithmetic number, because the mean of its divisors is an integer number (1959657840).

Almost surely, 2111308135904 is an apocalyptic number.

111308135904 is a gapful number since it is divisible by the number (14) 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 111308135904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188127152640).

111308135904 is an abundant number, since it is smaller than the sum of its proper divisors (264946169376).

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

111308135904 is a wasteful number, since it uses less digits than its factorization.

111308135904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259310 (or 259296 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The spelling of 111308135904 in words is "one hundred eleven billion, three hundred eight million, one hundred thirty-five thousand, nine hundred four".