| Base | Representation |
|---|---|
| bin | 100110110011000… |
| … | …0110100000000000 |
| 3 | 10100201122000011000 |
| 4 | 1031212012200000 |
| 5 | 10131232134403 |
| 6 | 333102452000 |
| 7 | 44155255416 |
| oct | 11546064000 |
| 9 | 3321560130 |
| 10 | 1301833728 |
| 11 | 60893aa48 |
| 12 | 303b94000 |
| 13 | 17992a820 |
| 14 | c4c7b2b6 |
| 15 | 794537a3 |
| hex | 4d986800 |
1301833728 has 192 divisors, whose sum is σ = 4155278400. Its totient is φ = 400343040.
The previous prime is 1301833723. The next prime is 1301833733. The reversal of 1301833728 is 8273381031.
It is an interprime number because it is at equal distance from previous prime (1301833723) and next prime (1301833733).
It is a tau number, because it is divible by the number of its divisors (192).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 1301833692 and 1301833701.
It is not an unprimeable number, because it can be changed into a prime (1301833723) 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, 717943 + ... + 719753.
It is an arithmetic number, because the mean of its divisors is an integer number (21642075).
Almost surely, 21301833728 is an apocalyptic number.
1301833728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1301833728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2077639200).
1301833728 is an abundant number, since it is smaller than the sum of its proper divisors (2853444672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1301833728 is a wasteful number, since it uses less digits than its factorization.
1301833728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1855 (or 1829 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 1301833728 is about 36080.9330256300. The cubic root of 1301833728 is about 1091.9058003515.
The spelling of 1301833728 in words is "one billion, three hundred one million, eight hundred thirty-three thousand, seven hundred twenty-eight".
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