Base | Representation |
---|---|
bin | 1101111101101011101… |
… | …0011100011010001001 |
3 | 211221012202120012012101 |
4 | 3133122322130122021 |
5 | 12412301331030311 |
6 | 302112350513401 |
7 | 23221562654566 |
oct | 3373272343211 |
9 | 757182505171 |
10 | 239895955081 |
11 | 92815015802 |
12 | 3a5b0805861 |
13 | 19811972aa3 |
14 | b87a92786d |
15 | 6390c57ec1 |
hex | 37dae9c689 |
239895955081 has 8 divisors (see below), whose sum is σ = 256291045280. Its totient is φ = 223877763648.
The previous prime is 239895955067. The next prime is 239895955097. The reversal of 239895955081 is 180559598932.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 239895955081 - 215 = 239895922313 is a prime.
It is a super-2 number, since 2×2398959550812 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (239895955051) 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, 94223376 + ... + 94225921.
It is an arithmetic number, because the mean of its divisors is an integer number (32036380660).
Almost surely, 2239895955081 is an apocalyptic number.
It is an amenable number.
239895955081 is a deficient number, since it is larger than the sum of its proper divisors (16395090199).
239895955081 is a wasteful number, since it uses less digits than its factorization.
239895955081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188449383.
The product of its (nonzero) digits is 34992000, while the sum is 64.
The spelling of 239895955081 in words is "two hundred thirty-nine billion, eight hundred ninety-five million, nine hundred fifty-five thousand, eighty-one".
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