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111342032120 = 23511416171953
BaseRepresentation
bin110011110110010000…
…0001001010011111000
3101122101121200021100102
41213230200021103320
53311012030011440
6123052210054532
711021105441354
oct1475440112370
9348347607312
10111342032120
1143246746770
12196b427a448
13a665560657
145563526464
152d69d3bb15
hex19ec8094f8

111342032120 has 64 divisors (see below), whose sum is σ = 279959833440. Its totient is φ = 39500492800.

The previous prime is 111342032089. The next prime is 111342032201. The reversal of 111342032120 is 21230243111.

It is a super-2 number, since 2×1113420321202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 111342032092 and 111342032101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3067937 + ... + 3104016.

Almost surely, 2111342032120 is an apocalyptic number.

111342032120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111342032120 is an abundant number, since it is smaller than the sum of its proper divisors (168617801320).

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

111342032120 is a wasteful number, since it uses less digits than its factorization.

111342032120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6172016 (or 6172012 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111342032120 its reverse (21230243111), we get a palindrome (132572275231).

The spelling of 111342032120 in words is "one hundred eleven billion, three hundred forty-two million, thirty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 41 44 55 82 88 110 164 205 220 328 410 440 451 820 902 1640 1804 2255 3608 4510 9020 18040 6171953 12343906 24687812 30859765 49375624 61719530 67891483 123439060 135782966 246878120 253050073 271565932 339457415 506100146 543131864 678914830 1012200292 1265250365 1357829660 2024400584 2530500730 2715659320 2783550803 5061001460 5567101606 10122002920 11134203212 13917754015 22268406424 27835508030 55671016060 111342032120