Base | Representation |
---|---|
bin | 110100111100000001100… |
… | …1100001101000000000000 |
3 | 221202112221000002020222000 |
4 | 1221320003030031000000 |
5 | 1423201142400130143 |
6 | 23250231240144000 |
7 | 1350440216462400 |
oct | 151700314150000 |
9 | 27675830066860 |
10 | 7275728130048 |
11 | 2355689940494 |
12 | 996102768000 |
13 | 40a137a2bbc1 |
14 | 1b220b9ac800 |
15 | c93d20b7bd3 |
hex | 69e0330d000 |
7275728130048 has 624 divisors, whose sum is σ = 25231171095360. Its totient is φ = 2065775394816.
The previous prime is 7275728130043. The next prime is 7275728130133. The reversal of 7275728130048 is 8400318275727.
7275728130048 is a `hidden beast` number, since 7 + 2 + 7 + 57 + 281 + 300 + 4 + 8 = 666.
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 = 7275728129976 and 7275728130003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7275728130043) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 883294186 + ... + 883302422.
Almost surely, 27275728130048 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 7275728130048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12615585547680).
7275728130048 is an abundant number, since it is smaller than the sum of its proper divisors (17955442965312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7275728130048 is a wasteful number, since it uses less digits than its factorization.
7275728130048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8447 (or 8412 counting only the distinct ones).
The product of its (nonzero) digits is 5268480, while the sum is 54.
The spelling of 7275728130048 in words is "seven trillion, two hundred seventy-five billion, seven hundred twenty-eight million, one hundred thirty thousand, forty-eight".
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