Base | Representation |
---|---|
bin | 100101010001110100… |
… | …0001110100001011111 |
3 | 21122122010221012210202 |
4 | 1022203220032201133 |
5 | 2302422442032113 |
6 | 100435424454115 |
7 | 5532554144003 |
oct | 1124350164137 |
9 | 248563835722 |
10 | 80054642783 |
11 | 30a50839005 |
12 | 1362217a33b |
13 | 771a55751b |
14 | 3c36120703 |
15 | 21381b4258 |
hex | 12a3a0e85f |
80054642783 has 4 divisors (see below), whose sum is σ = 82007195088. Its totient is φ = 78102090480.
The previous prime is 80054642777. The next prime is 80054642791. The reversal of 80054642783 is 38724645008.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80054642783 - 26 = 80054642719 is a prime.
It is a super-2 number, since 2×800546427832 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80054642383) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976276091 + ... + 976276172.
It is an arithmetic number, because the mean of its divisors is an integer number (20501798772).
Almost surely, 280054642783 is an apocalyptic number.
80054642783 is a deficient number, since it is larger than the sum of its proper divisors (1952552305).
80054642783 is a wasteful number, since it uses less digits than its factorization.
80054642783 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1952552304.
The product of its (nonzero) digits is 1290240, while the sum is 47.
The spelling of 80054642783 in words is "eighty billion, fifty-four million, six hundred forty-two thousand, seven hundred eighty-three".
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