Base | Representation |
---|---|
bin | 110001000100101101… |
… | …1010101001101101111 |
3 | 101002000110012111101122 |
4 | 1202021123111031233 |
5 | 3211312010432404 |
6 | 120225123131155 |
7 | 10420351342235 |
oct | 1421133251557 |
9 | 332013174348 |
10 | 105384858479 |
11 | 4076a006a6a |
12 | 18511213abb |
13 | 9c2630aa34 |
14 | 515a2a4955 |
15 | 2b1bd633be |
hex | 18896d536f |
105384858479 has 4 divisors (see below), whose sum is σ = 105404126400. Its totient is φ = 105365590560.
The previous prime is 105384858463. The next prime is 105384858511. The reversal of 105384858479 is 974858483501.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974858483501 = 7 ⋅139265497643.
It is a cyclic number.
It is not a de Polignac number, because 105384858479 - 24 = 105384858463 is a prime.
It is a super-2 number, since 2×1053848584792 (a number of 23 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 (105384858379) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9625754 + ... + 9636695.
It is an arithmetic number, because the mean of its divisors is an integer number (26351031600).
Almost surely, 2105384858479 is an apocalyptic number.
105384858479 is a deficient number, since it is larger than the sum of its proper divisors (19267921).
105384858479 is an equidigital number, since it uses as much as digits as its factorization.
105384858479 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19267920.
The product of its (nonzero) digits is 38707200, while the sum is 62.
The spelling of 105384858479 in words is "one hundred five billion, three hundred eighty-four million, eight hundred fifty-eight thousand, four hundred seventy-nine".
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