Base | Representation |
---|---|
bin | 100101101000110110… |
… | …0010001010010110100 |
3 | 21201122000010010101021 |
4 | 1023101230101102310 |
5 | 2311013312022034 |
6 | 101044232510524 |
7 | 5560660012546 |
oct | 1132154212264 |
9 | 251560103337 |
10 | 80827454644 |
11 | 31307a99aa2 |
12 | 137b8b4b444 |
13 | 78116ab251 |
14 | 3caaa0d696 |
15 | 2180e6a6b4 |
hex | 12d1b114b4 |
80827454644 has 12 divisors (see below), whose sum is σ = 141453648000. Its totient is φ = 40412126648.
The previous prime is 80827454641. The next prime is 80827454647. The reversal of 80827454644 is 44645472808.
It is an interprime number because it is at equal distance from previous prime (80827454641) and next prime (80827454647).
It is a junction number, because it is equal to n+sod(n) for n = 80827454591 and 80827454600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80827454641) 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, 282724 + ... + 491515.
It is an arithmetic number, because the mean of its divisors is an integer number (11787804000).
Almost surely, 280827454644 is an apocalyptic number.
It is an amenable number.
80827454644 is a deficient number, since it is larger than the sum of its proper divisors (60626193356).
80827454644 is a wasteful number, since it uses less digits than its factorization.
80827454644 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 800342 (or 800340 counting only the distinct ones).
The product of its (nonzero) digits is 6881280, while the sum is 52.
The spelling of 80827454644 in words is "eighty billion, eight hundred twenty-seven million, four hundred fifty-four thousand, six hundred forty-four".
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