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111223114220 = 22517982737567
BaseRepresentation
bin110011110010101101…
…0100000100111101100
3101122002022220121122202
41213211122200213230
53310241104123340
6123032321201032
711015132605061
oct1474532404754
9348068817582
10111223114220
1143195603a09
1219680490178
13a646a2512a
14555180cc68
152d5e69bc15
hex19e56a09ec

111223114220 has 48 divisors (see below), whose sum is σ = 235163658240. Its totient is φ = 44186030784.

The previous prime is 111223114217. The next prime is 111223114273. The reversal of 111223114220 is 22411322111.

It is a super-2 number, since 2×1112231142202 (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 = 111223114192 and 111223114201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2941877 + ... + 2979443.

It is an arithmetic number, because the mean of its divisors is an integer number (4899242880).

Almost surely, 2111223114220 is an apocalyptic number.

111223114220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111223114220 is an abundant number, since it is smaller than the sum of its proper divisors (123940544020).

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

111223114220 is a wasteful number, since it uses less digits than its factorization.

111223114220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38582 (or 38580 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111223114220 its reverse (22411322111), we get a palindrome (133634436331).

The spelling of 111223114220 in words is "one hundred eleven billion, two hundred twenty-three million, one hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 179 358 716 827 895 1654 1790 3308 3580 4135 8270 16540 37567 75134 148033 150268 187835 296066 375670 592132 740165 751340 1480330 2960660 6724493 13448986 26897972 31067909 33622465 62135818 67244930 124271636 134489860 155339545 310679090 621358180 5561155711 11122311422 22244622844 27805778555 55611557110 111223114220