Base | Representation |
---|---|
bin | 100101101101101100… |
… | …1001100010101011111 |
3 | 21202001100101202101002 |
4 | 1023123121030111133 |
5 | 2311331444211014 |
6 | 101112325340515 |
7 | 5565004363112 |
oct | 1133331142537 |
9 | 252040352332 |
10 | 80990225759 |
11 | 31390964383 |
12 | 1384356773b |
13 | 783932c111 |
14 | 3cc44a0579 |
15 | 21903bddde |
hex | 12db64c55f |
80990225759 has 16 divisors (see below), whose sum is σ = 91747565280. Its totient is φ = 71030338560.
The previous prime is 80990225753. The next prime is 80990225773. The reversal of 80990225759 is 95752209908.
It is a cyclic number.
It is not a de Polignac number, because 80990225759 - 232 = 76695258463 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 (80990225753) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2035574 + ... + 2074979.
It is an arithmetic number, because the mean of its divisors is an integer number (5734222830).
Almost surely, 280990225759 is an apocalyptic number.
80990225759 is a deficient number, since it is larger than the sum of its proper divisors (10757339521).
80990225759 is a wasteful number, since it uses less digits than its factorization.
80990225759 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4110650.
The product of its (nonzero) digits is 4082400, while the sum is 56.
The spelling of 80990225759 in words is "eighty billion, nine hundred ninety million, two hundred twenty-five thousand, seven hundred fifty-nine".
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