Base | Representation |
---|---|
bin | 11011110100011100… |
… | …111010011001011111 |
3 | 2212002202121020011112 |
4 | 123310130322121133 |
5 | 442133440224321 |
6 | 21420023412235 |
7 | 2105142340454 |
oct | 336434723137 |
9 | 85082536145 |
10 | 29871023711 |
11 | 11739461261 |
12 | 59578b407b |
13 | 2a80747579 |
14 | 163527382b |
15 | b9c64da5b |
hex | 6f473a65f |
29871023711 has 8 divisors (see below), whose sum is σ = 29911867200. Its totient is φ = 29830206240.
The previous prime is 29871023659. The next prime is 29871023737. The reversal of 29871023711 is 11732017892.
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 a de Polignac number, because none of the positive numbers 2k-29871023711 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29871023771) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3421610 + ... + 3430328.
It is an arithmetic number, because the mean of its divisors is an integer number (3738983400).
Almost surely, 229871023711 is an apocalyptic number.
29871023711 is a deficient number, since it is larger than the sum of its proper divisors (40843489).
29871023711 is a wasteful number, since it uses less digits than its factorization.
29871023711 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13009.
The product of its (nonzero) digits is 42336, while the sum is 41.
The spelling of 29871023711 in words is "twenty-nine billion, eight hundred seventy-one million, twenty-three thousand, seven hundred eleven".
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