Base | Representation |
---|---|
bin | 1100001101011… |
… | …01100111100101 |
3 | 21010201121221221 |
4 | 12012231213211 |
5 | 202210014023 |
6 | 14055140341 |
7 | 2352403240 |
oct | 606554745 |
9 | 233647857 |
10 | 102423013 |
11 | 528a6a20 |
12 | 2a3746b1 |
13 | 182b1644 |
14 | d862257 |
15 | 8ed285d |
hex | 61ad9e5 |
102423013 has 16 divisors (see below), whose sum is σ = 128419200. Its totient is φ = 79358400.
The previous prime is 102422959. The next prime is 102423023. The reversal of 102423013 is 310324201.
It is a happy number.
It is not a de Polignac number, because 102423013 - 213 = 102414821 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102423023) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10263 + ... + 17611.
It is an arithmetic number, because the mean of its divisors is an integer number (8026200).
Almost surely, 2102423013 is an apocalyptic number.
It is an amenable number.
102423013 is a deficient number, since it is larger than the sum of its proper divisors (25996187).
102423013 is a wasteful number, since it uses less digits than its factorization.
102423013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7548.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 102423013 is about 10120.4255345316. The cubic root of 102423013 is about 467.8778825828.
Adding to 102423013 its reverse (310324201), we get a palindrome (412747214).
The spelling of 102423013 in words is "one hundred two million, four hundred twenty-three thousand, thirteen".
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