Base | Representation |
---|---|
bin | 1101011111001… |
… | …10100100011111 |
3 | 21212220012201012 |
4 | 12233212210133 |
5 | 212431021142 |
6 | 15121005435 |
7 | 2542456124 |
oct | 657464437 |
9 | 255805635 |
10 | 113142047 |
11 | 58958327 |
12 | 31a8387b |
13 | 1a595575 |
14 | 1105274b |
15 | 9ded882 |
hex | 6be691f |
113142047 has 8 divisors (see below), whose sum is σ = 114036000. Its totient is φ = 112251744.
The previous prime is 113142011. The next prime is 113142053. The reversal of 113142047 is 740241311.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 113142047 - 210 = 113141023 is a prime.
It is a super-2 number, since 2×1131420472 = 25602245598700418, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (113142347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100733 + ... + 101849.
It is an arithmetic number, because the mean of its divisors is an integer number (14254500).
Almost surely, 2113142047 is an apocalyptic number.
113142047 is a deficient number, since it is larger than the sum of its proper divisors (893953).
113142047 is a wasteful number, since it uses less digits than its factorization.
113142047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1825.
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 113142047 is about 10636.8250432166. The cubic root of 113142047 is about 483.6613056860.
Adding to 113142047 its reverse (740241311), we get a palindrome (853383358).
The spelling of 113142047 in words is "one hundred thirteen million, one hundred forty-two thousand, forty-seven".
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