Base | Representation |
---|---|
bin | 110001000101111000… |
… | …1000010001101000111 |
3 | 101002010012001021200100 |
4 | 1202023301002031013 |
5 | 3211402032232330 |
6 | 120233044215143 |
7 | 10421336040405 |
oct | 1421361021507 |
9 | 332105037610 |
10 | 105424102215 |
11 | 4078a180403 |
12 | 1852239a4b3 |
13 | 9c3149b293 |
14 | 516159c475 |
15 | 2b20516060 |
hex | 188bc42347 |
105424102215 has 24 divisors (see below), whose sum is σ = 182929376448. Its totient is φ = 56166413760.
The previous prime is 105424102213. The next prime is 105424102249. The reversal of 105424102215 is 512201424501.
It is a happy number.
105424102215 is a `hidden beast` number, since 1 + 0 + 5 + 424 + 10 + 221 + 5 = 666.
It is not a de Polignac number, because 105424102215 - 21 = 105424102213 is a prime.
It is a super-2 number, since 2×1054241022152 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105424102211) 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, 1202479 + ... + 1287168.
It is an arithmetic number, because the mean of its divisors is an integer number (7622057352).
Almost surely, 2105424102215 is an apocalyptic number.
105424102215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
105424102215 is a deficient number, since it is larger than the sum of its proper divisors (77505274233).
105424102215 is a wasteful number, since it uses less digits than its factorization.
105424102215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2490599 (or 2490596 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 27.
Adding to 105424102215 its reverse (512201424501), we get a palindrome (617625526716).
The spelling of 105424102215 in words is "one hundred five billion, four hundred twenty-four million, one hundred two thousand, two hundred fifteen".
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