Base | Representation |
---|---|
bin | 1000011100000000101… |
… | …0111001000111001001 |
3 | 111212011101001110100102 |
4 | 2013000022321013021 |
5 | 4333333222022414 |
6 | 150332013015145 |
7 | 13321123453331 |
oct | 2070012710711 |
9 | 455141043312 |
10 | 144958001609 |
11 | 56527016133 |
12 | 241161844b5 |
13 | 10891b07565 |
14 | 7031cba0c1 |
15 | 3b8612dede |
hex | 21c02b91c9 |
144958001609 has 4 divisors (see below), whose sum is σ = 145037519616. Its totient is φ = 144878483604.
The previous prime is 144958001563. The next prime is 144958001623. The reversal of 144958001609 is 906100859441.
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 a de Polignac number, because none of the positive numbers 2k-144958001609 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144958001689) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39756269 + ... + 39759914.
It is an arithmetic number, because the mean of its divisors is an integer number (36259379904).
Almost surely, 2144958001609 is an apocalyptic number.
It is an amenable number.
144958001609 is a deficient number, since it is larger than the sum of its proper divisors (79518007).
144958001609 is an equidigital number, since it uses as much as digits as its factorization.
144958001609 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79518006.
The product of its (nonzero) digits is 311040, while the sum is 47.
The spelling of 144958001609 in words is "one hundred forty-four billion, nine hundred fifty-eight million, one thousand, six hundred nine".
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