Base | Representation |
---|---|
bin | 111001010100101110… |
… | …1010000001000010000 |
3 | 102202202012022201111022 |
4 | 1302221131100020100 |
5 | 4004103114231112 |
6 | 132315145135012 |
7 | 11615404413440 |
oct | 1625135201020 |
9 | 382665281438 |
10 | 123102102032 |
11 | 48230a22308 |
12 | 1ba3678a468 |
13 | b7baa9a0c0 |
14 | 5d5b32a120 |
15 | 33074b6d72 |
hex | 1ca9750210 |
123102102032 has 80 divisors (see below), whose sum is σ = 293615790720. Its totient is φ = 48689012736.
The previous prime is 123102102031. The next prime is 123102102073. The reversal of 123102102032 is 230201201321.
It is a super-3 number, since 3×1231021020323 (a number of 34 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 123102102032.
It is not an unprimeable number, because it can be changed into a prime (123102102031) 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, 11457719 + ... + 11468457.
It is an arithmetic number, because the mean of its divisors is an integer number (3670197384).
Almost surely, 2123102102032 is an apocalyptic number.
It is an amenable number.
123102102032 is an abundant number, since it is smaller than the sum of its proper divisors (170513688688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123102102032 is a wasteful number, since it uses less digits than its factorization.
123102102032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18640 (or 18634 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 123102102032 its reverse (230201201321), we get a palindrome (353303303353).
The spelling of 123102102032 in words is "one hundred twenty-three billion, one hundred two million, one hundred two thousand, thirty-two".
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