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195286385338 = 21123385941473
BaseRepresentation
bin1011010111011111111…
…0011100001010111010
3200200001211210020202121
42311313332130022322
511144421303312323
6225414024551454
720052243613132
oct2656776341272
9620054706677
10195286385338
11759030897a0
1231a2102258a
1315552902485
14964808bac2
15512e73ca5d
hex2d77f9c2ba

195286385338 has 16 divisors (see below), whose sum is σ = 333453433536. Its totient is φ = 84907123840.

The previous prime is 195286385311. The next prime is 195286385363. The reversal of 195286385338 is 833583682591.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192970231 + ... + 192971242.

It is an arithmetic number, because the mean of its divisors is an integer number (20840839596).

Almost surely, 2195286385338 is an apocalyptic number.

195286385338 is a deficient number, since it is larger than the sum of its proper divisors (138167048198).

195286385338 is a wasteful number, since it uses less digits than its factorization.

195286385338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385941509.

The product of its digits is 37324800, while the sum is 61.

The spelling of 195286385338 in words is "one hundred ninety-five billion, two hundred eighty-six million, three hundred eighty-five thousand, three hundred thirty-eight".

Divisors: 1 2 11 22 23 46 253 506 385941473 771882946 4245356203 8490712406 8876653879 17753307758 97643192669 195286385338