Base | Representation |
---|---|
bin | 10111101011010000010… |
… | …00000100001010010000 |
3 | 2212202202220210120020221 |
4 | 23311220020010022100 |
5 | 101312014403413400 |
6 | 1421414221242424 |
7 | 112526116620412 |
oct | 13655010041220 |
9 | 2782686716227 |
10 | 813495763600 |
11 | 294002172733 |
12 | 1117b2103414 |
13 | 5b934c7c100 |
14 | 2b5328a29b2 |
15 | 16263021c1a |
hex | bd68204290 |
813495763600 has 135 divisors (see below), whose sum is σ = 2116938727953. Its totient is φ = 300281080320.
The previous prime is 813495763589. The next prime is 813495763627. The reversal of 813495763600 is 6367594318.
It is a happy number.
The square root of 813495763600 is 901940.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 13 ways, for example, as 710264643984 + 103231119616 = 842772^2 + 321296^2 .
It is a Harshad number since it is a multiple of its sum of digits (52).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 234502666 + ... + 234506134.
Almost surely, 2813495763600 is an apocalyptic number.
813495763600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
813495763600 is the 901940-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 813495763600
813495763600 is an abundant number, since it is smaller than the sum of its proper divisors (1303442964353).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
813495763600 is an equidigital number, since it uses as much as digits as its factorization.
813495763600 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6982 (or 3489 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 52.
The spelling of 813495763600 in words is "eight hundred thirteen billion, four hundred ninety-five million, seven hundred sixty-three thousand, six hundred".
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