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149317619785 = 559899758631
BaseRepresentation
bin1000101100010000000…
…1100001000001001001
3112021102012110000012021
42023010001201001021
54421300302313120
6152332350444441
713534141553365
oct2130401410111
9467365400167
10149317619785
11583639a3864
1224b32203721
131110809bc99
147326cc22a5
153d3dc3caaa
hex22c4061049

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".

Divisors: 1 5 59 89 97 295 445 485 5251 5723 8633 26255 28615 43165 58631 293155 509347 2546735 3459229 5218159 5687207 17296145 26090795 28436035 307871381 335545213 506161423 1539356905 1677726065 2530807115 29863523957 149317619785