Base | Representation |
---|---|
bin | 101111100110101100… |
… | …1000000001001110000 |
3 | 100202212121000202021201 |
4 | 1133031121000021300 |
5 | 3133331403200222 |
6 | 114544110300544 |
7 | 10246233531031 |
oct | 1371531001160 |
9 | 322777022251 |
10 | 102230131312 |
11 | 3a3a0275831 |
12 | 179907b7754 |
13 | 9842860a7a |
14 | 4d3b302a88 |
15 | 29d4e09427 |
hex | 17cd640270 |
102230131312 has 80 divisors (see below), whose sum is σ = 214177747104. Its totient is φ = 47093760000.
The previous prime is 102230131309. The next prime is 102230131321. The reversal of 102230131312 is 213131032201.
It is a self number, because there is not a number n which added to its sum of digits gives 102230131312.
It is a congruent number.
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, 3486312 + ... + 3515512.
Almost surely, 2102230131312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 102230131312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107088873552).
102230131312 is an abundant number, since it is smaller than the sum of its proper divisors (111947615792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102230131312 is a wasteful number, since it uses less digits than its factorization.
102230131312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29498 (or 29492 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 102230131312 its reverse (213131032201), we get a palindrome (315361163513).
The spelling of 102230131312 in words is "one hundred two billion, two hundred thirty million, one hundred thirty-one thousand, three hundred twelve".
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