Base | Representation |
---|---|
bin | 100101101010001000… |
… | …1000110011101101100 |
3 | 21201202000102101112102 |
4 | 1023110101012131230 |
5 | 2311110342222134 |
6 | 101052414554232 |
7 | 5562023205512 |
oct | 1132421063554 |
9 | 251660371472 |
10 | 80870664044 |
11 | 3132a421945 |
12 | 1380b508978 |
13 | 781a629841 |
14 | 3cb265a4b2 |
15 | 2184b5337e |
hex | 12d444676c |
80870664044 has 24 divisors (see below), whose sum is σ = 149139029088. Its totient is φ = 38294326400.
The previous prime is 80870664037. The next prime is 80870664053. The reversal of 80870664044 is 44046607808.
It is a self number, because there is not a number n which added to its sum of digits gives 80870664044.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4342337 + ... + 4360920.
It is an arithmetic number, because the mean of its divisors is an integer number (6214126212).
Almost surely, 280870664044 is an apocalyptic number.
It is an amenable number.
80870664044 is a deficient number, since it is larger than the sum of its proper divisors (68268365044).
80870664044 is a wasteful number, since it uses less digits than its factorization.
80870664044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8703385 (or 8703383 counting only the distinct ones).
The product of its (nonzero) digits is 1032192, while the sum is 47.
The spelling of 80870664044 in words is "eighty billion, eight hundred seventy million, six hundred sixty-four thousand, forty-four".
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