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39194068736825 = 526737232709329
BaseRepresentation
bin10001110100101100101001…
…00010110101101100111001
312010202220202001001212211222
420322112110202311230321
520114123423044034300
6215205301232201425
711153451363246152
oct1072262442655471
9163686661055758
1039194068736825
1111541125018592
1244900a6399275
1318b3ca586ac12
14997008518929
1547e7dad6d785
hex23a5948b5b39

39194068736825 has 12 divisors (see below), whose sum is σ = 48607859431740. Its totient is φ = 31350600668160.

The previous prime is 39194068736821. The next prime is 39194068736833. The reversal of 39194068736825 is 52863786049193.

39194068736825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2302196255401 + 36891872481424 = 1517299^2 + 6073868^2 .

It is not a de Polignac number, because 39194068736825 - 22 = 39194068736821 is a prime.

It is a super-2 number, since 2×391940687368252 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39194068736821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116186240 + ... + 116523089.

It is an arithmetic number, because the mean of its divisors is an integer number (4050654952645).

It is a 1-persistent number, because it is pandigital, but 2⋅39194068736825 = 78388137473650 is not.

Almost surely, 239194068736825 is an apocalyptic number.

It is an amenable number.

39194068736825 is a deficient number, since it is larger than the sum of its proper divisors (9413790694915).

39194068736825 is a wasteful number, since it uses less digits than its factorization.

39194068736825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232716076 (or 232716071 counting only the distinct ones).

The product of its (nonzero) digits is 470292480, while the sum is 71.

The spelling of 39194068736825 in words is "thirty-nine trillion, one hundred ninety-four billion, sixty-eight million, seven hundred thirty-six thousand, eight hundred twenty-five".

Divisors: 1 5 25 6737 33685 168425 232709329 1163546645 5817733225 1567762749473 7838813747365 39194068736825