Base | Representation |
---|---|
bin | 11011001010001111… |
… | …111100111100010011 |
3 | 2210021102022001011102 |
4 | 123022033330330103 |
5 | 434211210430222 |
6 | 21221451535015 |
7 | 2051454160412 |
oct | 331217747423 |
9 | 83242261142 |
10 | 29162983187 |
11 | 1140581a9a8 |
12 | 579a75a46b |
13 | 2999b51490 |
14 | 15a9205479 |
15 | b5a3ddd92 |
hex | 6ca3fcf13 |
29162983187 has 4 divisors (see below), whose sum is σ = 31406289600. Its totient is φ = 26919676776.
The previous prime is 29162983181. The next prime is 29162983231. The reversal of 29162983187 is 78138926192.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 29162983187 - 224 = 29146205971 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29162983181) 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, 1121653187 + ... + 1121653212.
It is an arithmetic number, because the mean of its divisors is an integer number (7851572400).
Almost surely, 229162983187 is an apocalyptic number.
29162983187 is a deficient number, since it is larger than the sum of its proper divisors (2243306413).
29162983187 is a wasteful number, since it uses less digits than its factorization.
29162983187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2243306412.
The product of its digits is 2612736, while the sum is 56.
The spelling of 29162983187 in words is "twenty-nine billion, one hundred sixty-two million, nine hundred eighty-three thousand, one hundred eighty-seven".
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