Base | Representation |
---|---|
bin | 101000110111110… |
… | …0110000111111111 |
3 | 10112120120221020102 |
4 | 1101233212013333 |
5 | 10302041301143 |
6 | 344030311315 |
7 | 45661655225 |
oct | 12157460777 |
9 | 3476527212 |
10 | 1371431423 |
11 | 6441567aa |
12 | 32335853b |
13 | 18b1881ab |
14 | d01d6b15 |
15 | 806000b8 |
hex | 51be61ff |
1371431423 has 2 divisors, whose sum is σ = 1371431424. Its totient is φ = 1371431422.
The previous prime is 1371431417. The next prime is 1371431441. The reversal of 1371431423 is 3241341731.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1371431423 - 210 = 1371430399 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1371431483) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685715711 + 685715712.
It is an arithmetic number, because the mean of its divisors is an integer number (685715712).
Almost surely, 21371431423 is an apocalyptic number.
1371431423 is a deficient number, since it is larger than the sum of its proper divisors (1).
1371431423 is an equidigital number, since it uses as much as digits as its factorization.
1371431423 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6048, while the sum is 29.
The square root of 1371431423 is about 37032.8424914967. The cubic root of 1371431423 is about 1111.0272186167.
The spelling of 1371431423 in words is "one billion, three hundred seventy-one million, four hundred thirty-one thousand, four hundred twenty-three".
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