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113142111 = 3311121267
BaseRepresentation
bin1101011111001…
…10100101011111
321212220012210120
412233212211133
5212431021421
615121010023
72542456245
oct657464537
9255805716
10113142111
1158958385
1231a83913
131a5955c4
1411052795
159ded8c6
hex6be695f

113142111 has 8 divisors (see below), whose sum is σ = 151342464. Its totient is φ = 75184920.

The previous prime is 113142103. The next prime is 113142143. The reversal of 113142111 is 111241311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113142111 - 23 = 113142103 is a prime.

It is a super-2 number, since 2×1131421112 = 25602274563072642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113142181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59701 + ... + 61566.

It is an arithmetic number, because the mean of its divisors is an integer number (18917808).

Almost surely, 2113142111 is an apocalyptic number.

113142111 is a deficient number, since it is larger than the sum of its proper divisors (38200353).

113142111 is a wasteful number, since it uses less digits than its factorization.

113142111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121581.

The product of its digits is 24, while the sum is 15.

The square root of 113142111 is about 10636.8280516327. The cubic root of 113142111 is about 483.6613968821.

Adding to 113142111 its reverse (111241311), we get a palindrome (224383422).

The spelling of 113142111 in words is "one hundred thirteen million, one hundred forty-two thousand, one hundred eleven".

Divisors: 1 3 311 933 121267 363801 37714037 113142111