Base | Representation |
---|---|
bin | 10101110010101000011… |
… | …100110100111000100101 |
3 | 12022011020120221001010112 |
4 | 111302220130310320211 |
5 | 144013312013413231 |
6 | 3103532544502405 |
7 | 213121551224444 |
oct | 25625034647045 |
9 | 5264216831115 |
10 | 1497474747941 |
11 | 528091502117 |
12 | 20227931aa05 |
13 | ab2991b5313 |
14 | 5269a124d5b |
15 | 28e4583192b |
hex | 15ca8734e25 |
1497474747941 has 2 divisors, whose sum is σ = 1497474747942. Its totient is φ = 1497474747940.
The previous prime is 1497474747833. The next prime is 1497474747947.
It is a happy number.
1497474747941 is nontrivially palindromic in base 10.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1481261819041 + 16212928900 = 1217071^2 + 127330^2 .
It is a palprime.
It is a cyclic number.
It is not a de Polignac number, because 1497474747941 - 210 = 1497474746917 is a prime.
It is a super-2 number, since 2×14974747479412 (a number of 25 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1497474747947) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748737373970 + 748737373971.
It is an arithmetic number, because the mean of its divisors is an integer number (748737373971).
Almost surely, 21497474747941 is an apocalyptic number.
It is an amenable number.
1497474747941 is a deficient number, since it is larger than the sum of its proper divisors (1).
1497474747941 is an equidigital number, since it uses as much as digits as its factorization.
1497474747941 is an evil number, because the sum of its binary digits is even.
The product of its digits is 199148544, while the sum is 68.
The spelling of 1497474747941 in words is "one trillion, four hundred ninety-seven billion, four hundred seventy-four million, seven hundred forty-seven thousand, nine hundred forty-one".
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