Base | Representation |
---|---|
bin | 10111101010001111000… |
… | …00000101011101001000 |
3 | 2212201100202212020100001 |
4 | 23311013200011131020 |
5 | 101304404243142412 |
6 | 1421244025452344 |
7 | 112506422330005 |
oct | 13650740053510 |
9 | 2781322766301 |
10 | 812948412232 |
11 | 293851204530 |
12 | 11167a9410b4 |
13 | 5b878758368 |
14 | 2b4bdd028ac |
15 | 1622ee53957 |
hex | bd47805748 |
812948412232 has 64 divisors (see below), whose sum is σ = 1691600760000. Its totient is φ = 363136942080.
The previous prime is 812948412217. The next prime is 812948412239. The reversal of 812948412232 is 232214849218.
It is not an unprimeable number, because it can be changed into a prime (812948412239) 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, 16428744 + ... + 16478152.
It is an arithmetic number, because the mean of its divisors is an integer number (26431261875).
Almost surely, 2812948412232 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 812948412232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (845800380000).
812948412232 is an abundant number, since it is smaller than the sum of its proper divisors (878652347768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
812948412232 is a wasteful number, since it uses less digits than its factorization.
812948412232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52654 (or 52650 counting only the distinct ones).
The product of its digits is 442368, while the sum is 46.
The spelling of 812948412232 in words is "eight hundred twelve billion, nine hundred forty-eight million, four hundred twelve thousand, two hundred thirty-two".
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