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111242351011 = 11231992937541
BaseRepresentation
bin110011110011010001…
…1111001000110100011
3101122010200002221120111
41213212203321012203
53310311020213021
6123034245352151
711015455245031
oct1474643710643
9348120087514
10111242351011
11431a5452890
1219686a08657
13a64a9cc04c
1455541b9551
152d611eb8e1
hex19e68f91a3

111242351011 has 32 divisors (see below), whose sum is σ = 127719244800. Its totient is φ = 95905180800.

The previous prime is 111242350997. The next prime is 111242351021. The reversal of 111242351011 is 110153242111.

It is not a de Polignac number, because 111242351011 - 25 = 111242350979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111242351021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14747901 + ... + 14755441.

It is an arithmetic number, because the mean of its divisors is an integer number (3991226400).

Almost surely, 2111242351011 is an apocalyptic number.

111242351011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111242351011 is a deficient number, since it is larger than the sum of its proper divisors (16476893789).

111242351011 is a wasteful number, since it uses less digits than its factorization.

111242351011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8067.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 111242351011 its reverse (110153242111), we get a palindrome (221395593122).

The spelling of 111242351011 in words is "one hundred eleven billion, two hundred forty-two million, three hundred fifty-one thousand, eleven".

Divisors: 1 11 23 199 253 293 2189 3223 4577 6739 7541 50347 58307 74129 82951 173443 641377 1341061 1500659 1907873 2209513 14751671 16507249 24304643 34515157 50818799 379666727 439693087 559006789 4836623957 10112941001 111242351011