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111323201 = 1131210531
BaseRepresentation
bin1101010001010…
…10100001000001
321202110210201112
412220222201001
5211444320301
615014013105
72521142303
oct650524101
9252423645
10111323201
1157925850
1231347195
131a0a9722
1410adb973
159b8e9bb
hex6a2a841

111323201 has 12 divisors (see below), whose sum is σ = 125499312. Its totient is φ = 97929000.

The previous prime is 111323189. The next prime is 111323203. The reversal of 111323201 is 102323111.

It is not a de Polignac number, because 111323201 - 26 = 111323137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111323203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5306 + ... + 15836.

It is an arithmetic number, because the mean of its divisors is an integer number (10458276).

Almost surely, 2111323201 is an apocalyptic number.

111323201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111323201 is a deficient number, since it is larger than the sum of its proper divisors (14176111).

111323201 is a wasteful number, since it uses less digits than its factorization.

111323201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10604 (or 10573 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 111323201 is about 10550.9810444337. The cubic root of 111323201 is about 481.0555489000.

Adding to 111323201 its reverse (102323111), we get a palindrome (213646312).

The spelling of 111323201 in words is "one hundred eleven million, three hundred twenty-three thousand, two hundred one".

Divisors: 1 11 31 341 961 10531 10571 115841 326461 3591071 10120291 111323201