Base | Representation |
---|---|
bin | 101111100111000110… |
… | …0011001101110100100 |
3 | 100202220112101022021110 |
4 | 1133032030121232210 |
5 | 3133343330333122 |
6 | 114545311145020 |
7 | 10246456210104 |
oct | 1371614315644 |
9 | 322815338243 |
10 | 102243605412 |
11 | 3a3a7939053 |
12 | 17995215170 |
13 | 984559aa00 |
14 | 4d3d00d204 |
15 | 29d61bb90c |
hex | 17ce319ba4 |
102243605412 has 36 divisors (see below), whose sum is σ = 258331481520. Its totient is φ = 31459570272.
The previous prime is 102243605377. The next prime is 102243605413. The reversal of 102243605412 is 214506342201.
102243605412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 102243605412.
It is not an unprimeable number, because it can be changed into a prime (102243605413) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25205962 + ... + 25210017.
Almost surely, 2102243605412 is an apocalyptic number.
102243605412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
102243605412 is an abundant number, since it is smaller than the sum of its proper divisors (156087876108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102243605412 is a wasteful number, since it uses less digits than its factorization.
102243605412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50416012 (or 50415997 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 30.
Adding to 102243605412 its reverse (214506342201), we get a palindrome (316749947613).
The spelling of 102243605412 in words is "one hundred two billion, two hundred forty-three million, six hundred five thousand, four hundred twelve".
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