Base | Representation |
---|---|
bin | 10111001001111010… |
… | …10001010011000111 |
3 | 1012002100111110120121 |
4 | 23210331101103013 |
5 | 200424341421404 |
6 | 5413311442411 |
7 | 620025316624 |
oct | 134475212307 |
9 | 35070443517 |
10 | 12431201479 |
11 | 52aa0a8734 |
12 | 24ab226407 |
13 | 12315abc28 |
14 | 85cdc534b |
15 | 4cb548e54 |
hex | 2e4f514c7 |
12431201479 has 2 divisors, whose sum is σ = 12431201480. Its totient is φ = 12431201478.
The previous prime is 12431201389. The next prime is 12431201501. The reversal of 12431201479 is 97410213421.
It is a strong prime.
It is an emirp because it is prime and its reverse (97410213421) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12431201479 - 233 = 3841266887 is a prime.
It is a super-2 number, since 2×124312014792 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12431211479) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215600739 + 6215600740.
It is an arithmetic number, because the mean of its divisors is an integer number (6215600740).
Almost surely, 212431201479 is an apocalyptic number.
12431201479 is a deficient number, since it is larger than the sum of its proper divisors (1).
12431201479 is an equidigital number, since it uses as much as digits as its factorization.
12431201479 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12096, while the sum is 34.
The spelling of 12431201479 in words is "twelve billion, four hundred thirty-one million, two hundred one thousand, four hundred seventy-nine".
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