Base | Representation |
---|---|
bin | 101011010101101111110111… |
… | …0111101000001110001001110 |
3 | 1211222210101001201210022211221 |
4 | 1112223133232331001301032 |
5 | 344431411112331413402 |
6 | 3430442303112233554 |
7 | 143204211016562512 |
oct | 12653375675016116 |
9 | 1758711051708757 |
10 | 381221011201102 |
11 | 100517a17459066 |
12 | 3690b22939b8ba |
13 | 13493caa888cb7 |
14 | 6a1d2a4222142 |
15 | 2e11677894337 |
hex | 15ab7eef41c4e |
381221011201102 has 8 divisors (see below), whose sum is σ = 572755315699800. Its totient is φ = 190302572634504.
The previous prime is 381221011201091. The next prime is 381221011201123. The reversal of 381221011201102 is 201102110122183.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153966481477 + ... + 153966483952.
It is an arithmetic number, because the mean of its divisors is an integer number (71594414462475).
Almost surely, 2381221011201102 is an apocalyptic number.
381221011201102 is a deficient number, since it is larger than the sum of its proper divisors (191534304498698).
381221011201102 is a wasteful number, since it uses less digits than its factorization.
381221011201102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 307932966050.
The product of its (nonzero) digits is 384, while the sum is 25.
Adding to 381221011201102 its reverse (201102110122183), we get a palindrome (582323121323285).
The spelling of 381221011201102 in words is "three hundred eighty-one trillion, two hundred twenty-one billion, eleven million, two hundred one thousand, one hundred two".
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