Base | Representation |
---|---|
bin | 1111001010011000… |
… | …11100010111110101 |
3 | 210000022020121012021 |
4 | 13211030130113311 |
5 | 113132343233301 |
6 | 3423424553141 |
7 | 405502441426 |
oct | 74514342765 |
9 | 23008217167 |
10 | 8140211701 |
11 | 34a7a34596 |
12 | 16b21827b1 |
13 | 9c95c591b |
14 | 57316564d |
15 | 3299948a1 |
hex | 1e531c5f5 |
8140211701 has 2 divisors, whose sum is σ = 8140211702. Its totient is φ = 8140211700.
The previous prime is 8140211693. The next prime is 8140211789. The reversal of 8140211701 is 1071120418.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 5685009201 + 2455202500 = 75399^2 + 49550^2 .
It is a cyclic number.
It is not a de Polignac number, because 8140211701 - 23 = 8140211693 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8140218701) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4070105850 + 4070105851.
It is an arithmetic number, because the mean of its divisors is an integer number (4070105851).
Almost surely, 28140211701 is an apocalyptic number.
It is an amenable number.
8140211701 is a deficient number, since it is larger than the sum of its proper divisors (1).
8140211701 is an equidigital number, since it uses as much as digits as its factorization.
8140211701 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 448, while the sum is 25.
The square root of 8140211701 is about 90223.1217648780. The cubic root of 8140211701 is about 2011.6167038748.
The spelling of 8140211701 in words is "eight billion, one hundred forty million, two hundred eleven thousand, seven hundred one".
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