Base | Representation |
---|---|
bin | 100101100011000001… |
… | …0011011001011111111 |
3 | 21201010101012201212111 |
4 | 1023012002123023333 |
5 | 2310113233420433 |
6 | 101013010114451 |
7 | 5553064100602 |
oct | 1130602331377 |
9 | 251111181774 |
10 | 80631935743 |
11 | 31217697827 |
12 | 1376357ba27 |
13 | 77b00327a8 |
14 | 3c8ca76339 |
15 | 216dbe8dcd |
hex | 12c609b2ff |
80631935743 has 2 divisors, whose sum is σ = 80631935744. Its totient is φ = 80631935742.
The previous prime is 80631935717. The next prime is 80631935789. The reversal of 80631935743 is 34753913608.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 80631935743 - 25 = 80631935711 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80631935543) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40315967871 + 40315967872.
It is an arithmetic number, because the mean of its divisors is an integer number (40315967872).
Almost surely, 280631935743 is an apocalyptic number.
80631935743 is a deficient number, since it is larger than the sum of its proper divisors (1).
80631935743 is an equidigital number, since it uses as much as digits as its factorization.
80631935743 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1632960, while the sum is 49.
The spelling of 80631935743 in words is "eighty billion, six hundred thirty-one million, nine hundred thirty-five thousand, seven hundred forty-three".
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