Base | Representation |
---|---|
bin | 11101111100001010100… |
… | …00111100011010000000 |
3 | 10122100100011121211000110 |
4 | 32332011100330122000 |
5 | 113323321121321300 |
6 | 2104332102151320 |
7 | 134215651116231 |
oct | 16760520743200 |
9 | 3570304554013 |
10 | 1028732995200 |
11 | 367312a58519 |
12 | 147460722540 |
13 | 76017009051 |
14 | 37b104bd088 |
15 | 1bb5e01b550 |
hex | ef8543c680 |
1028732995200 has 768 divisors, whose sum is σ = 3657422160000. Its totient is φ = 253231104000.
The previous prime is 1028732995193. The next prime is 1028732995201. The reversal of 1028732995200 is 25992378201.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a self number, because there is not a number n which added to its sum of digits gives 1028732995200.
It is not an unprimeable number, because it can be changed into a prime (1028732995201) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2291164576 + ... + 2291165024.
Almost surely, 21028732995200 is an apocalyptic number.
1028732995200 is a gapful number since it is divisible by the number (10) 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 1028732995200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1828711080000).
1028732995200 is an abundant number, since it is smaller than the sum of its proper divisors (2628689164800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1028732995200 is a wasteful number, since it uses less digits than its factorization.
1028732995200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 733 (or 716 counting only the distinct ones).
The product of its (nonzero) digits is 544320, while the sum is 48.
The spelling of 1028732995200 in words is "one trillion, twenty-eight billion, seven hundred thirty-two million, nine hundred ninety-five thousand, two hundred".
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