Base | Representation |
---|---|
bin | 10010011000110010101101… |
… | …101110010101100000010000 |
3 | 101121022221212220120102001100 |
4 | 102120302231232111200100 |
5 | 41044422302031313120 |
6 | 443554300355104400 |
7 | 23014363163426550 |
oct | 2230625556254020 |
9 | 347287786512040 |
10 | 80868558854160 |
11 | 23849188263790 |
12 | 90a0a508a2100 |
13 | 3617b457cc4cc |
14 | 15d80b838d160 |
15 | 95389ba6a490 |
hex | 498cadb95810 |
80868558854160 has 240 divisors, whose sum is σ = 338597706395520. Its totient is φ = 16803856373760.
The previous prime is 80868558854077. The next prime is 80868558854219. The reversal of 80868558854160 is 6145885586808.
80868558854160 is a `hidden beast` number, since 8 + 0 + 8 + 6 + 8 + 558 + 8 + 5 + 4 + 1 + 60 = 666.
80868558854160 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (240).
It is a super-2 number, since 2×808685588541602 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 729278605 + ... + 729389484.
It is an arithmetic number, because the mean of its divisors is an integer number (1410823776648).
Almost surely, 280868558854160 is an apocalyptic number.
80868558854160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
80868558854160 is an abundant number, since it is smaller than the sum of its proper divisors (257729147541360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80868558854160 is a wasteful number, since it uses less digits than its factorization.
80868558854160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1458668126 (or 1458668117 counting only the distinct ones).
The product of its (nonzero) digits is 589824000, while the sum is 72.
It can be divided in two parts, 80868558 and 854160, that added together give a palindrome (81722718).
The spelling of 80868558854160 in words is "eighty trillion, eight hundred sixty-eight billion, five hundred fifty-eight million, eight hundred fifty-four thousand, one hundred sixty".
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