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32105929813 is a prime number
BaseRepresentation
bin11101111001101010…
…011001110001010101
310001212111222012222121
4131321222121301111
51011223104223223
622425501255541
72214420620626
oct357152316125
9101774865877
1032105929813
1112685a622a1
1262802645b1
13304877b009
1417a7dd9a4d
15c7d96315d
hex779a99c55

32105929813 has 2 divisors, whose sum is σ = 32105929814. Its totient is φ = 32105929812.

The previous prime is 32105929787. The next prime is 32105929837. The reversal of 32105929813 is 31892950123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22878982564 + 9226947249 = 151258^2 + 96057^2 .

It is an emirp because it is prime and its reverse (31892950123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32105929813 - 29 = 32105929301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32105929813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32105929013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16052964906 + 16052964907.

It is an arithmetic number, because the mean of its divisors is an integer number (16052964907).

Almost surely, 232105929813 is an apocalyptic number.

It is an amenable number.

32105929813 is a deficient number, since it is larger than the sum of its proper divisors (1).

32105929813 is an equidigital number, since it uses as much as digits as its factorization.

32105929813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 32105929813 in words is "thirty-two billion, one hundred five million, nine hundred twenty-nine thousand, eight hundred thirteen".