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105384858479 = 547119262449
BaseRepresentation
bin110001000100101101…
…1010101001101101111
3101002000110012111101122
41202021123111031233
53211312010432404
6120225123131155
710420351342235
oct1421133251557
9332013174348
10105384858479
114076a006a6a
1218511213abb
139c2630aa34
14515a2a4955
152b1bd633be
hex18896d536f

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 = 7139265497643.

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".

Divisors: 1 5471 19262449 105384858479