Base | Representation |
---|---|
bin | 1100001011001… |
… | …10000101100111 |
3 | 21010011202001110 |
4 | 12011212011213 |
5 | 202121130043 |
6 | 14045000103 |
7 | 2350043112 |
oct | 605460547 |
9 | 233152043 |
10 | 102130023 |
11 | 52716886 |
12 | 2a253033 |
13 | 1820b188 |
14 | d7c7579 |
15 | 8e75b33 |
hex | 6166167 |
102130023 has 8 divisors (see below), whose sum is σ = 136241536. Its totient is φ = 68052600.
The previous prime is 102129991. The next prime is 102130037. The reversal of 102130023 is 320031201.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102130023 - 25 = 102129991 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102129990 and 102130008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102130123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433 + ... + 14298.
It is an arithmetic number, because the mean of its divisors is an integer number (17030192).
Almost surely, 2102130023 is an apocalyptic number.
102130023 is a deficient number, since it is larger than the sum of its proper divisors (34111513).
102130023 is a wasteful number, since it uses less digits than its factorization.
102130023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17045.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 102130023 is about 10105.9399859686. The cubic root of 102130023 is about 467.4313212808.
Adding to 102130023 its reverse (320031201), we get a palindrome (422161224).
The spelling of 102130023 in words is "one hundred two million, one hundred thirty thousand, twenty-three".
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