Base | Representation |
---|---|
bin | 1011010010010111000… |
… | …1011011001101001001 |
3 | 200112111201200111111100 |
4 | 2310211301123031021 |
5 | 11134110223214201 |
6 | 225025121052013 |
7 | 20003126234400 |
oct | 2644561331511 |
9 | 615451614440 |
10 | 193907241801 |
11 | 75265645849 |
12 | 316b7187009 |
13 | 15392c76c00 |
14 | 9556c48637 |
15 | 509d617886 |
hex | 2d25c5b349 |
193907241801 has 81 divisors (see below), whose sum is σ = 353026544949. Its totient is φ = 102217332672.
The previous prime is 193907241793. The next prime is 193907241811. The reversal of 193907241801 is 108142709391.
The square root of 193907241801 is 440349.
It is a perfect power (a square), and thus also a powerful number.
193907241801 is a `hidden beast` number, since 19 + 390 + 7 + 241 + 8 + 0 + 1 = 666.
193907241801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 13248240201 + 180659001600 = 115101^2 + 425040^2 .
It is not a de Polignac number, because 193907241801 - 23 = 193907241793 is a prime.
It is not an unprimeable number, because it can be changed into a prime (193907241811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 120214471 + ... + 120216083.
Almost surely, 2193907241801 is an apocalyptic number.
193907241801 is the 440349-th square number.
193907241801 is the 220175-th centered octagonal number.
It is an amenable number.
193907241801 is a deficient number, since it is larger than the sum of its proper divisors (159119303148).
193907241801 is an equidigital number, since it uses as much as digits as its factorization.
193907241801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3272 (or 1636 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 45.
The spelling of 193907241801 in words is "one hundred ninety-three billion, nine hundred seven million, two hundred forty-one thousand, eight hundred one".
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