Base | Representation |
---|---|
bin | 1000101100010000000… |
… | …1100001000001001001 |
3 | 112021102012110000012021 |
4 | 2023010001201001021 |
5 | 4421300302313120 |
6 | 152332350444441 |
7 | 13534141553365 |
oct | 2130401410111 |
9 | 467365400167 |
10 | 149317619785 |
11 | 583639a3864 |
12 | 24b32203721 |
13 | 1110809bc99 |
14 | 7326cc22a5 |
15 | 3d3dc3caaa |
hex | 22c4061049 |
149317619785 has 32 divisors (see below), whose sum is σ = 186168326400. Its totient is φ = 114911047680.
The previous prime is 149317619753. The next prime is 149317619791. The reversal of 149317619785 is 587916713941.
It is not a de Polignac number, because 149317619785 - 25 = 149317619753 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2517420 + ... + 2576050.
It is an arithmetic number, because the mean of its divisors is an integer number (5817760200).
Almost surely, 2149317619785 is an apocalyptic number.
It is an amenable number.
149317619785 is a deficient number, since it is larger than the sum of its proper divisors (36850706615).
149317619785 is an equidigital number, since it uses as much as digits as its factorization.
149317619785 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58881.
The product of its digits is 11430720, while the sum is 61.
The spelling of 149317619785 in words is "one hundred forty-nine billion, three hundred seventeen million, six hundred nineteen thousand, seven hundred eighty-five".
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