Base | Representation |
---|---|
bin | 101010100111100… |
… | …1011010101111011 |
3 | 10200122212122210202 |
4 | 1111033023111323 |
5 | 10412042320404 |
6 | 353522432415 |
7 | 50303104412 |
oct | 12517132573 |
9 | 3618778722 |
10 | 1430041979 |
11 | 674248783 |
12 | 33ab0270b |
13 | 19a3698b2 |
14 | d7cd2479 |
15 | 8582b21e |
hex | 553cb57b |
1430041979 has 2 divisors, whose sum is σ = 1430041980. Its totient is φ = 1430041978.
The previous prime is 1430041967. The next prime is 1430042017. The reversal of 1430041979 is 9791400341.
It is an a-pointer prime, because the next prime (1430042017) can be obtained adding 1430041979 to its sum of digits (38).
It is a weak prime.
It is an emirp because it is prime and its reverse (9791400341) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1430041979 - 220 = 1428993403 is a prime.
It is not a weakly prime, because it can be changed into another prime (1430041909) 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, 715020989 + 715020990.
It is an arithmetic number, because the mean of its divisors is an integer number (715020990).
Almost surely, 21430041979 is an apocalyptic number.
1430041979 is a deficient number, since it is larger than the sum of its proper divisors (1).
1430041979 is an equidigital number, since it uses as much as digits as its factorization.
1430041979 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 27216, while the sum is 38.
The square root of 1430041979 is about 37815.8958508191. The cubic root of 1430041979 is about 1126.6341955890.
The spelling of 1430041979 in words is "one billion, four hundred thirty million, forty-one thousand, nine hundred seventy-nine".
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