Base | Representation |
---|---|
bin | 100101100000101011… |
… | …1011110001001110101 |
3 | 21200220220202011221102 |
4 | 1023001113132021311 |
5 | 2304433203114322 |
6 | 101001130255445 |
7 | 5551123010042 |
oct | 1130127361165 |
9 | 250826664842 |
10 | 80553566837 |
11 | 31187430037 |
12 | 13741287585 |
13 | 7799a23963 |
14 | 3c824b61c9 |
15 | 2166db8792 |
hex | 12c15de275 |
80553566837 has 12 divisors (see below), whose sum is σ = 81778165056. Its totient is φ = 79346718360.
The previous prime is 80553566813. The next prime is 80553566861. The reversal of 80553566837 is 73866535508.
It is an interprime number because it is at equal distance from previous prime (80553566813) and next prime (80553566861).
It is not a de Polignac number, because 80553566837 - 26 = 80553566773 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80553563837) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2674898 + ... + 2704844.
It is an arithmetic number, because the mean of its divisors is an integer number (6814847088).
Almost surely, 280553566837 is an apocalyptic number.
It is an amenable number.
80553566837 is a deficient number, since it is larger than the sum of its proper divisors (1224598219).
80553566837 is an equidigital number, since it uses as much as digits as its factorization.
80553566837 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30536 (or 30457 counting only the distinct ones).
The product of its (nonzero) digits is 18144000, while the sum is 56.
The spelling of 80553566837 in words is "eighty billion, five hundred fifty-three million, five hundred sixty-six thousand, eight hundred thirty-seven".
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