Base | Representation |
---|---|
bin | 100101100010111101… |
… | …1000111111001001111 |
3 | 21201010020121111022102 |
4 | 1023011323013321033 |
5 | 2310112241143321 |
6 | 101012501105315 |
7 | 5553041606411 |
oct | 1130573077117 |
9 | 251106544272 |
10 | 80630021711 |
11 | 312165aa788 |
12 | 137629b823b |
13 | 77ac812525 |
14 | 3c8c6d89b1 |
15 | 216d96bc0b |
hex | 12c5ec7e4f |
80630021711 has 2 divisors, whose sum is σ = 80630021712. Its totient is φ = 80630021710.
The previous prime is 80630021657. The next prime is 80630021723. The reversal of 80630021711 is 11712003608.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80630021711 is a prime.
It is a super-2 number, since 2×806300217112 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80630021911) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40315010855 + 40315010856.
It is an arithmetic number, because the mean of its divisors is an integer number (40315010856).
Almost surely, 280630021711 is an apocalyptic number.
80630021711 is a deficient number, since it is larger than the sum of its proper divisors (1).
80630021711 is an equidigital number, since it uses as much as digits as its factorization.
80630021711 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2016, while the sum is 29.
The spelling of 80630021711 in words is "eighty billion, six hundred thirty million, twenty-one thousand, seven hundred eleven".
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