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113141009 = 269342013
BaseRepresentation
bin1101011111001…
…10010100010001
321212220011021202
412233212110101
5212431003014
615121000545
72542453112
oct657462421
9255804252
10113141009
1158957573
1231a83155
131a594c57
1411052209
159ded3de
hex6be6511

113141009 has 4 divisors (see below), whose sum is σ = 113185716. Its totient is φ = 113096304.

The previous prime is 113141003. The next prime is 113141023. The reversal of 113141009 is 900141311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 900141311 = 2153418087.

It can be written as a sum of positive squares in 2 ways, for example, as 66259600 + 46881409 = 8140^2 + 6847^2 .

It is a cyclic number.

It is not a de Polignac number, because 113141009 - 224 = 96363793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113141003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18314 + ... + 23699.

It is an arithmetic number, because the mean of its divisors is an integer number (28296429).

Almost surely, 2113141009 is an apocalyptic number.

It is an amenable number.

113141009 is a deficient number, since it is larger than the sum of its proper divisors (44707).

113141009 is an equidigital number, since it uses as much as digits as its factorization.

113141009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44706.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 113141009 is about 10636.7762503495. The cubic root of 113141009 is about 483.6598265956.

The spelling of 113141009 in words is "one hundred thirteen million, one hundred forty-one thousand, nine".

Divisors: 1 2693 42013 113141009