Base | Representation |
---|---|
bin | 10101101100010010111… |
… | …011100110010010000001 |
3 | 12021111200102222021221001 |
4 | 111230102323212102001 |
5 | 143410343320434042 |
6 | 3100445510332001 |
7 | 212461136455063 |
oct | 25542273462201 |
9 | 5244612867831 |
10 | 1490671264897 |
11 | 525210081661 |
12 | 200a9a95a001 |
13 | aa7538171c9 |
14 | 52212721733 |
15 | 28b983d4bb7 |
hex | 15b12ee6481 |
1490671264897 has 4 divisors (see below), whose sum is σ = 1569127647280. Its totient is φ = 1412214882516.
The previous prime is 1490671264879. The next prime is 1490671264931. The reversal of 1490671264897 is 7984621760941.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1490671264897 - 27 = 1490671264769 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1490671264837) 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 in 3 ways as a sum of consecutive naturals, for example, 39228191163 + ... + 39228191200.
It is an arithmetic number, because the mean of its divisors is an integer number (392281911820).
Almost surely, 21490671264897 is an apocalyptic number.
It is an amenable number.
1490671264897 is a deficient number, since it is larger than the sum of its proper divisors (78456382383).
1490671264897 is an equidigital number, since it uses as much as digits as its factorization.
1490671264897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78456382382.
The product of its (nonzero) digits is 36578304, while the sum is 64.
The spelling of 1490671264897 in words is "one trillion, four hundred ninety billion, six hundred seventy-one million, two hundred sixty-four thousand, eight hundred ninety-seven".
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