| Base | Representation |
|---|---|
| bin | 111101000110010… |
| … | …100001001000000 |
| 3 | 2122102211201120020 |
| 4 | 331012110021000 |
| 5 | 4044404044121 |
| 6 | 245414413440 |
| 7 | 34254625155 |
| oct | 7506241100 |
| 9 | 2572751506 |
| 10 | 1025065536 |
| 11 | 486693a00 |
| 12 | 247361280 |
| 13 | 1344a5171 |
| 14 | 9a1d422c |
| 15 | 5eed31c6 |
| hex | 3d194240 |
1025065536 has 84 divisors (see below), whose sum is σ = 2981193936. Its totient is φ = 310618880.
The previous prime is 1025065511. The next prime is 1025065537. The reversal of 1025065536 is 6355605201.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 1025065497 and 1025065506.
It is not an unprimeable number, because it can be changed into a prime (1025065537) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1171 + ... + 45293.
It is an arithmetic number, because the mean of its divisors is an integer number (35490404).
Almost surely, 21025065536 is an apocalyptic number.
1025065536 is a gapful number since it is divisible by the number (16) 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 1025065536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490596968).
1025065536 is an abundant number, since it is smaller than the sum of its proper divisors (1956128400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1025065536 is a wasteful number, since it uses less digits than its factorization.
1025065536 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44160 (or 44139 counting only the distinct ones).
The product of its (nonzero) digits is 27000, while the sum is 33.
The square root of 1025065536 is about 32016.6446711707. The cubic root of 1025065536 is about 1008.2863258159.
The spelling of 1025065536 in words is "one billion, twenty-five million, sixty-five thousand, five hundred thirty-six".
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