Base | Representation |
---|---|
bin | 110010001011… |
… | …111100101110 |
3 | 220202101211112 |
4 | 302023330232 |
5 | 11331444032 |
6 | 1145552022 |
7 | 216553046 |
oct | 62137456 |
9 | 26671745 |
10 | 13156142 |
11 | 747644a |
12 | 44a5612 |
13 | 29582cc |
14 | 1a66726 |
15 | 124d1b2 |
hex | c8bf2e |
13156142 has 8 divisors (see below), whose sum is σ = 19845000. Its totient is φ = 6541144.
The previous prime is 13156109. The next prime is 13156153. The reversal of 13156142 is 24165131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18017 + ... + 18732.
It is an arithmetic number, because the mean of its divisors is an integer number (2480625).
Almost surely, 213156142 is an apocalyptic number.
13156142 is a deficient number, since it is larger than the sum of its proper divisors (6688858).
13156142 is a wasteful number, since it uses less digits than its factorization.
13156142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36930.
The product of its digits is 720, while the sum is 23.
The square root of 13156142 is about 3627.1396444030. The cubic root of 13156142 is about 236.0711147364.
The spelling of 13156142 in words is "thirteen million, one hundred fifty-six thousand, one hundred forty-two".
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