Base | Representation |
---|---|
bin | 101111100011001101… |
… | …0010011010000110111 |
3 | 100202120102200110011101 |
4 | 1133012122103100313 |
5 | 3133111413444343 |
6 | 114524324350531 |
7 | 10243312305250 |
oct | 1370632232067 |
9 | 322512613141 |
10 | 102113031223 |
11 | 3a3401647a5 |
12 | 17959545447 |
13 | 9824510a88 |
14 | 4d2993db27 |
15 | 29c99c7e4d |
hex | 17c6693437 |
102113031223 has 4 divisors (see below), whose sum is σ = 116700607120. Its totient is φ = 87525455328.
The previous prime is 102113031187. The next prime is 102113031233. The reversal of 102113031223 is 322130311201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322130311201 = 2053 ⋅156907117.
It is a cyclic number.
It is not a de Polignac number, because 102113031223 - 221 = 102110934071 is a prime.
It is a super-2 number, since 2×1021130312232 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 102113031223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102113031233) 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, 7293787938 + ... + 7293787951.
It is an arithmetic number, because the mean of its divisors is an integer number (29175151780).
Almost surely, 2102113031223 is an apocalyptic number.
102113031223 is a deficient number, since it is larger than the sum of its proper divisors (14587575897).
102113031223 is an equidigital number, since it uses as much as digits as its factorization.
102113031223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14587575896.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 102113031223 its reverse (322130311201), we get a palindrome (424243342424).
The spelling of 102113031223 in words is "one hundred two billion, one hundred thirteen million, thirty-one thousand, two hundred twenty-three".
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