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3193945105 = 513128338299
BaseRepresentation
bin1011111001011111…
…1011110000010001
322020120222020000011
42332113323300101
523020122220410
61244533154521
7142102041211
oct27627736021
98216866004
103193945105
11139999825a
1275178ba41
133bb92b860
14224290241
1513a60418a
hexbe5fbc11

3193945105 has 16 divisors (see below), whose sum is σ = 4130884800. Its totient is φ = 2356705728.

The previous prime is 3193945103. The next prime is 3193945121. The reversal of 3193945105 is 5015493913.

It is not a de Polignac number, because 3193945105 - 21 = 3193945103 is a prime.

It is a super-2 number, since 2×31939451052 = 20402570667506922050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3193945103) 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 15 ways as a sum of consecutive naturals, for example, 64246 + ... + 102544.

It is an arithmetic number, because the mean of its divisors is an integer number (258180300).

Almost surely, 23193945105 is an apocalyptic number.

It is an amenable number.

3193945105 is a deficient number, since it is larger than the sum of its proper divisors (936939695).

3193945105 is a wasteful number, since it uses less digits than its factorization.

3193945105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39600.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 3193945105 is about 56514.9989383349. The cubic root of 3193945105 is about 1472.6825782988.

The spelling of 3193945105 in words is "three billion, one hundred ninety-three million, nine hundred forty-five thousand, one hundred five".

Divisors: 1 5 13 65 1283 6415 16679 38299 83395 191495 497887 2489435 49137617 245688085 638789021 3193945105