Base | Representation |
---|---|
bin | 10111010111001000… |
… | …10101011001110010 |
3 | 1012101002011221212220 |
4 | 23223210111121302 |
5 | 201141234331302 |
6 | 5432312501510 |
7 | 622543064244 |
oct | 135344253162 |
9 | 35332157786 |
10 | 12542105202 |
11 | 5356767300 |
12 | 25203aa896 |
13 | 124b56c733 |
14 | 86da14094 |
15 | 4d61544bc |
hex | 2eb915672 |
12542105202 has 48 divisors (see below), whose sum is σ = 28023998016. Its totient is φ = 3738319200.
The previous prime is 12542105171. The next prime is 12542105237. The reversal of 12542105202 is 20250124521.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97318 + ... + 185889.
It is an arithmetic number, because the mean of its divisors is an integer number (583833292).
Almost surely, 212542105202 is an apocalyptic number.
12542105202 is an abundant number, since it is smaller than the sum of its proper divisors (15481892814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12542105202 is a wasteful number, since it uses less digits than its factorization.
12542105202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283295 (or 283284 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 24.
Adding to 12542105202 its reverse (20250124521), we get a palindrome (32792229723).
The spelling of 12542105202 in words is "twelve billion, five hundred forty-two million, one hundred five thousand, two hundred two".
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