Base | Representation |
---|---|
bin | 101111101111000110… |
… | …1001011010100110111 |
3 | 100210121020212120011122 |
4 | 1133132031023110313 |
5 | 3134421113302043 |
6 | 115032105054155 |
7 | 10256230461050 |
oct | 1373615132467 |
9 | 323536776148 |
10 | 102512244023 |
11 | 3a525542232 |
12 | 17a4b18735b |
13 | 9889137c77 |
14 | 4d6697b727 |
15 | 29eea83368 |
hex | 17de34b537 |
102512244023 has 4 divisors (see below), whose sum is σ = 117156850320. Its totient is φ = 87867637728.
The previous prime is 102512243987. The next prime is 102512244041. The reversal of 102512244023 is 320442215201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320442215201 = 1877 ⋅170720413.
It is a cyclic number.
It is not a de Polignac number, because 102512244023 - 232 = 98217276727 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102512243983 and 102512244001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102512244053) 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 3 ways as a sum of consecutive naturals, for example, 7322303138 + ... + 7322303151.
It is an arithmetic number, because the mean of its divisors is an integer number (29289212580).
Almost surely, 2102512244023 is an apocalyptic number.
102512244023 is a deficient number, since it is larger than the sum of its proper divisors (14644606297).
102512244023 is an equidigital number, since it uses as much as digits as its factorization.
102512244023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14644606296.
The product of its (nonzero) digits is 3840, while the sum is 26.
Adding to 102512244023 its reverse (320442215201), we get a palindrome (422954459224).
The spelling of 102512244023 in words is "one hundred two billion, five hundred twelve million, two hundred forty-four thousand, twenty-three".
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