Base | Representation |
---|---|
bin | 1001100011010001111000… |
… | …11100001111100011011110 |
3 | 2202100220110100022211212100 |
4 | 10301220330130033203132 |
5 | 10223104432423123032 |
6 | 112400455230345530 |
7 | 4265305635201642 |
oct | 461507434174336 |
9 | 82326410284770 |
10 | 21003404114142 |
11 | 67685480792aa |
12 | 243272565b2a6 |
13 | b947c68b5ba8 |
14 | 5287da822c22 |
15 | 2665303b897c |
hex | 131a3c70f8de |
21003404114142 has 48 divisors (see below), whose sum is σ = 45532832331168. Its totient is φ = 6997218877440.
The previous prime is 21003404114141. The next prime is 21003404114159. The reversal of 21003404114142 is 24141140430012.
21003404114142 is a `hidden beast` number, since 2 + 1 + 0 + 0 + 3 + 404 + 114 + 142 = 666.
It is a super-2 number, since 2×210034041141422 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21003404114141) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 767626542 + ... + 767653902.
It is an arithmetic number, because the mean of its divisors is an integer number (948600673566).
Almost surely, 221003404114142 is an apocalyptic number.
21003404114142 is an abundant number, since it is smaller than the sum of its proper divisors (24529428217026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21003404114142 is a wasteful number, since it uses less digits than its factorization.
21003404114142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49665 (or 49662 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
Adding to 21003404114142 its reverse (24141140430012), we get a palindrome (45144544544154).
The spelling of 21003404114142 in words is "twenty-one trillion, three billion, four hundred four million, one hundred fourteen thousand, one hundred forty-two".
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