Base | Representation |
---|---|
bin | 100101010000001011… |
… | …1110010001100100000 |
3 | 21122111100010010002121 |
4 | 1022200113302030200 |
5 | 2302320000011200 |
6 | 100430153354024 |
7 | 5531321533636 |
oct | 1124027621440 |
9 | 248440103077 |
10 | 80000000800 |
11 | 30a22a07745 |
12 | 13607a08914 |
13 | 770c1352a5 |
14 | 3c2cb79356 |
15 | 21334bde1a |
hex | 12a05f2320 |
80000000800 has 72 divisors (see below), whose sum is σ = 206788272516. Its totient is φ = 30117642240.
The previous prime is 80000000791. The next prime is 80000000827. The reversal of 80000000800 is 800000008.
It can be written as a sum of positive squares in 6 ways, for example, as 52098975504 + 27901025296 = 228252^2 + 167036^2 .
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2927577 + ... + 2954776.
Almost surely, 280000000800 is an apocalyptic number.
80000000800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
80000000800 is an abundant number, since it is smaller than the sum of its proper divisors (126788271716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80000000800 is a wasteful number, since it uses less digits than its factorization.
80000000800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5882390 (or 5882377 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 80000000800 its reverse (800000008), we get a palindrome (80800000808).
80000000800 divided by its reverse (800000008) gives a square (100 = 102).
It can be divided in two parts, 80000000 and 800, that multiplied together give a cube (64000000000 = 40003).
The spelling of 80000000800 in words is "eighty billion, eight hundred", and thus it is an aban number.
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