Base | Representation |
---|---|
bin | 10001000011100… |
… | …01001011011001 |
3 | 100222012201000200 |
4 | 20201301023121 |
5 | 243111214123 |
6 | 22110252413 |
7 | 3355034310 |
oct | 1041611331 |
9 | 328181020 |
10 | 143069913 |
11 | 738395a8 |
12 | 3bab7109 |
13 | 2384376c |
14 | 15003277 |
15 | c861143 |
hex | 88712d9 |
143069913 has 24 divisors (see below), whose sum is σ = 246450048. Its totient is φ = 78198912.
The previous prime is 143069893. The next prime is 143069917. The reversal of 143069913 is 319960341.
It is not a de Polignac number, because 143069913 - 25 = 143069881 is a prime.
It is not an unprimeable number, because it can be changed into a prime (143069917) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47920 + ... + 50817.
It is an arithmetic number, because the mean of its divisors is an integer number (10268752).
Almost surely, 2143069913 is an apocalyptic number.
It is an amenable number.
143069913 is a deficient number, since it is larger than the sum of its proper divisors (103380135).
143069913 is a wasteful number, since it uses less digits than its factorization.
143069913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98773 (or 98770 counting only the distinct ones).
The product of its (nonzero) digits is 17496, while the sum is 36.
The square root of 143069913 is about 11961.1835952802. The cubic root of 143069913 is about 523.0173601667.
The spelling of 143069913 in words is "one hundred forty-three million, sixty-nine thousand, nine hundred thirteen".
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