Base | Representation |
---|---|
bin | 1001101111101100101011… |
… | …11000100010010000100111 |
3 | 2210212200211222002012110200 |
4 | 10313312111320202100213 |
5 | 10302102324223342234 |
6 | 113324504402521543 |
7 | 4341163005301206 |
oct | 467662570422047 |
9 | 83780758065420 |
10 | 21430106465319 |
11 | 6912503466322 |
12 | 24a136b3662b3 |
13 | bc5b0934b216 |
14 | 5413190a723d |
15 | 2726a614ed99 |
hex | 137d95e22427 |
21430106465319 has 12 divisors (see below), whose sum is σ = 30958223423400. Its totient is φ = 14285064476304.
The previous prime is 21430106465293. The next prime is 21430106465381. The reversal of 21430106465319 is 91356460103412.
21430106465319 is a `hidden beast` number, since 2 + 1 + 4 + 3 + 0 + 106 + 4 + 6 + 531 + 9 = 666.
It is not a de Polignac number, because 21430106465319 - 27 = 21430106465191 is a prime.
It is a super-2 number, since 2×214301064653192 (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 (21430106466319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139349484 + ... + 139503185.
It is an arithmetic number, because the mean of its divisors is an integer number (2579851951950).
Almost surely, 221430106465319 is an apocalyptic number.
21430106465319 is a deficient number, since it is larger than the sum of its proper divisors (9528116958081).
21430106465319 is a wasteful number, since it uses less digits than its factorization.
21430106465319 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278861214 (or 278861211 counting only the distinct ones).
The product of its (nonzero) digits is 466560, while the sum is 45.
The spelling of 21430106465319 in words is "twenty-one trillion, four hundred thirty billion, one hundred six million, four hundred sixty-five thousand, three hundred nineteen".
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