Base | Representation |
---|---|
bin | 1100010010100000101… |
… | …1000101101010110101 |
3 | 202011221211102211000012 |
4 | 3010220023011222311 |
5 | 11424342103033244 |
6 | 240553544430005 |
7 | 21152635141604 |
oct | 3045013055265 |
9 | 664854384005 |
10 | 211127392949 |
11 | 815a1a00220 |
12 | 34b02178305 |
13 | 16ba875b765 |
14 | a30bc73a3b |
15 | 575a2c989e |
hex | 31282c5ab5 |
211127392949 has 8 divisors (see below), whose sum is σ = 231326562720. Its totient is φ = 191095851600.
The previous prime is 211127392943. The next prime is 211127393003. The reversal of 211127392949 is 949293721112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 211127392949 - 228 = 210858957493 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 211127392897 and 211127392906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211127392943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41904467 + ... + 41909504.
It is an arithmetic number, because the mean of its divisors is an integer number (28915820340).
Almost surely, 2211127392949 is an apocalyptic number.
It is an amenable number.
211127392949 is a deficient number, since it is larger than the sum of its proper divisors (20199169771).
211127392949 is a wasteful number, since it uses less digits than its factorization.
211127392949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83814211.
The product of its digits is 489888, while the sum is 50.
The spelling of 211127392949 in words is "two hundred eleven billion, one hundred twenty-seven million, three hundred ninety-two thousand, nine hundred forty-nine".
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