Base | Representation |
---|---|
bin | 101111100011100000… |
… | …1010000001101001000 |
3 | 100202121010220020010212 |
4 | 1133013001100031020 |
5 | 3133122022223222 |
6 | 114525331300252 |
7 | 10243465144220 |
oct | 1370701201510 |
9 | 322533806125 |
10 | 102123242312 |
11 | 3a3459a9513 |
12 | 17960a4a688 |
13 | 9826677740 |
14 | 4d2b03b080 |
15 | 29ca8436e2 |
hex | 17c7050348 |
102123242312 has 64 divisors (see below), whose sum is σ = 237250944000. Its totient is φ = 40129217280.
The previous prime is 102123242279. The next prime is 102123242327. The reversal of 102123242312 is 213242321201.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362264 + ... + 579207.
It is an arithmetic number, because the mean of its divisors is an integer number (3707046000).
Almost surely, 2102123242312 is an apocalyptic number.
It is an amenable number.
102123242312 is an abundant number, since it is smaller than the sum of its proper divisors (135127701688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102123242312 is a wasteful number, since it uses less digits than its factorization.
102123242312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 941646 (or 941642 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 102123242312 its reverse (213242321201), we get a palindrome (315365563513).
The spelling of 102123242312 in words is "one hundred two billion, one hundred twenty-three million, two hundred forty-two thousand, three hundred twelve".
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