Base | Representation |
---|---|
bin | 101111100100001010… |
… | …1111001101010101001 |
3 | 100202122200122120222210 |
4 | 1133020111321222221 |
5 | 3133143212312413 |
6 | 114531443035333 |
7 | 10244154563655 |
oct | 1371025715251 |
9 | 322580576883 |
10 | 102145432233 |
11 | 3a357485099 |
12 | 1796836bb49 |
13 | 982b146880 |
14 | 4d2dd75a65 |
15 | 29cc7783c3 |
hex | 17c8579aa9 |
102145432233 has 16 divisors (see below), whose sum is σ = 151401668096. Its totient is φ = 60831025920.
The previous prime is 102145432231. The next prime is 102145432253. The reversal of 102145432233 is 332234541201.
It is not a de Polignac number, because 102145432233 - 21 = 102145432231 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 102145432233.
It is not an unprimeable number, because it can be changed into a prime (102145432231) 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, 42242560 + ... + 42244977.
It is an arithmetic number, because the mean of its divisors is an integer number (9462604256).
Almost surely, 2102145432233 is an apocalyptic number.
102145432233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
102145432233 is a deficient number, since it is larger than the sum of its proper divisors (49256235863).
102145432233 is a wasteful number, since it uses less digits than its factorization.
102145432233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84487584.
The product of its (nonzero) digits is 17280, while the sum is 30.
Adding to 102145432233 its reverse (332234541201), we get a palindrome (434379973434).
The spelling of 102145432233 in words is "one hundred two billion, one hundred forty-five million, four hundred thirty-two thousand, two hundred thirty-three".
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