Base | Representation |
---|---|
bin | 111011000101000100… |
… | …1100010010100010000 |
3 | 110010110220200120220000 |
4 | 1312022021202110100 |
5 | 4034313140312443 |
6 | 134141211050000 |
7 | 12111000365604 |
oct | 1661211422420 |
9 | 403426616800 |
10 | 126871807248 |
11 | 4989591166a |
12 | 20709140900 |
13 | bc6ba882c4 |
14 | 61d7c53504 |
15 | 34783eb8d3 |
hex | 1d8a262510 |
126871807248 has 100 divisors (see below), whose sum is σ = 367278069708. Its totient is φ = 42282051840.
The previous prime is 126871807247. The next prime is 126871807277. The reversal of 126871807248 is 842708178621.
It can be written as a sum of positive squares in 2 ways, for example, as 36034669584 + 90837137664 = 189828^2 + 301392^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 126871807194 and 126871807203.
It is not an unprimeable number, because it can be changed into a prime (126871807247) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12515590 + ... + 12525722.
Almost surely, 2126871807248 is an apocalyptic number.
126871807248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
126871807248 is an abundant number, since it is smaller than the sum of its proper divisors (240406262460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126871807248 is a wasteful number, since it uses less digits than its factorization.
126871807248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19814 (or 19799 counting only the distinct ones).
The product of its (nonzero) digits is 2408448, while the sum is 54.
The spelling of 126871807248 in words is "one hundred twenty-six billion, eight hundred seventy-one million, eight hundred seven thousand, two hundred forty-eight".
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