Base | Representation |
---|---|
bin | 11110110100101010100… |
… | …011010101000100000111 |
3 | 21111111021022111220222002 |
4 | 132310222203111010013 |
5 | 234200413443000234 |
6 | 4301020132255515 |
7 | 306013206402152 |
oct | 36645243250407 |
9 | 7444238456862 |
10 | 2118132781319 |
11 | 74732780a975 |
12 | 2a261247159b |
13 | 12497b954ac9 |
14 | 74737c22c99 |
15 | 3a16e09d27e |
hex | 1ed2a8d5107 |
2118132781319 has 8 divisors (see below), whose sum is σ = 2229740928000. Its totient is φ = 2006537382072.
The previous prime is 2118132781307. The next prime is 2118132781321. The reversal of 2118132781319 is 9131872318112.
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-2118132781319 is a prime.
It is a super-2 number, since 2×21181327813192 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2118132781339) 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, 2844839 + ... + 3511320.
It is an arithmetic number, because the mean of its divisors is an integer number (278717616000).
Almost surely, 22118132781319 is an apocalyptic number.
2118132781319 is a deficient number, since it is larger than the sum of its proper divisors (111608146681).
2118132781319 is a wasteful number, since it uses less digits than its factorization.
2118132781319 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6373717.
The product of its digits is 145152, while the sum is 47.
The spelling of 2118132781319 in words is "two trillion, one hundred eighteen billion, one hundred thirty-two million, seven hundred eighty-one thousand, three hundred nineteen".
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