Base | Representation |
---|---|
bin | 100101100010111111… |
… | …1001001011100000000 |
3 | 21201010022121002100200 |
4 | 1023011333021130000 |
5 | 2310113023422413 |
6 | 101012535445200 |
7 | 5553053562045 |
oct | 1130577113400 |
9 | 251108532320 |
10 | 80631076608 |
11 | 312171602a5 |
12 | 13763226800 |
13 | 77acac1724 |
14 | 3c8c8d11cc |
15 | 216dac9573 |
hex | 12c5fc9700 |
80631076608 has 432 divisors, whose sum is σ = 248701165440. Its totient is φ = 25082265600.
The previous prime is 80631076597. The next prime is 80631076613. The reversal of 80631076608 is 80667013608.
80631076608 is a `hidden beast` number, since 8 + 0 + 6 + 31 + 0 + 7 + 6 + 608 = 666.
It is a congruent number.
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 47 ways as a sum of consecutive naturals, for example, 297531513 + ... + 297531783.
Almost surely, 280631076608 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80631076608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124350582720).
80631076608 is an abundant number, since it is smaller than the sum of its proper divisors (168070088832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80631076608 is a wasteful number, since it uses less digits than its factorization.
80631076608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 456 (or 439 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
Subtracting 80631076608 from its reverse (80667013608), we obtain a cube (35937000 = 3303).
The spelling of 80631076608 in words is "eighty billion, six hundred thirty-one million, seventy-six thousand, six hundred eight".
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