Base | Representation |
---|---|
bin | 111011110001000… |
… | …1101110010010111 |
3 | 12011202121211021212 |
4 | 1313202031302113 |
5 | 13101344124241 |
6 | 530555532035 |
7 | 100461053351 |
oct | 16742156227 |
9 | 5152554255 |
10 | 2005458071 |
11 | 93a035371 |
12 | 47b75a01b |
13 | 25c6387a6 |
14 | 1504ba0d1 |
15 | bb0debeb |
hex | 7788dc97 |
2005458071 has 2 divisors, whose sum is σ = 2005458072. Its totient is φ = 2005458070.
The previous prime is 2005458061. The next prime is 2005458073. The reversal of 2005458071 is 1708545002.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2005458071 - 226 = 1938349207 is a prime.
Together with 2005458073, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2005458073) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002729035 + 1002729036.
It is an arithmetic number, because the mean of its divisors is an integer number (1002729036).
Almost surely, 22005458071 is an apocalyptic number.
2005458071 is a deficient number, since it is larger than the sum of its proper divisors (1).
2005458071 is an equidigital number, since it uses as much as digits as its factorization.
2005458071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 11200, while the sum is 32.
The square root of 2005458071 is about 44782.3410620749. The cubic root of 2005458071 is about 1261.0661319600.
It can be divided in two parts, 20054 and 58071, that added together give a 7-th power (78125 = 57).
The spelling of 2005458071 in words is "two billion, five million, four hundred fifty-eight thousand, seventy-one".
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