Base | Representation |
---|---|
bin | 1111010010010… |
… | …11111100000100 |
3 | 22221022010112020 |
4 | 13221023330010 |
5 | 230312043231 |
6 | 20420323140 |
7 | 3114666504 |
oct | 751137404 |
9 | 287263466 |
10 | 128237316 |
11 | 66428659 |
12 | 36b434b0 |
13 | 2074c38c |
14 | 13061a04 |
15 | b3d1396 |
hex | 7a4bf04 |
128237316 has 48 divisors (see below), whose sum is σ = 306984384. Its totient is φ = 41648256.
The previous prime is 128237293. The next prime is 128237321. The reversal of 128237316 is 613732821.
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, 103050 + ... + 104286.
It is an arithmetic number, because the mean of its divisors is an integer number (6395508).
Almost surely, 2128237316 is an apocalyptic number.
It is an amenable number.
128237316 is an abundant number, since it is smaller than the sum of its proper divisors (178747068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128237316 is a wasteful number, since it uses less digits than its factorization.
128237316 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1460 (or 1458 counting only the distinct ones).
The product of its digits is 12096, while the sum is 33.
The square root of 128237316 is about 11324.1916267785. The cubic root of 128237316 is about 504.2796854050.
It can be divided in two parts, 12 and 8237316, that added together give a palindrome (8237328).
The spelling of 128237316 in words is "one hundred twenty-eight million, two hundred thirty-seven thousand, three hundred sixteen".
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