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32161394129 is a prime number
BaseRepresentation
bin11101111100111101…
…111110110111010001
310002000101100002201112
4131330331332313101
51011331304103004
622435202143105
72215663224314
oct357475766721
9102011302645
1032161394129
11127042a5477
126296951a95
1330570ca637
1417b151697b
15c8376be6e
hex77cf7edd1

32161394129 has 2 divisors, whose sum is σ = 32161394130. Its totient is φ = 32161394128.

The previous prime is 32161394117. The next prime is 32161394143. The reversal of 32161394129 is 92149316123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27635737600 + 4525656529 = 166240^2 + 67273^2 .

It is an emirp because it is prime and its reverse (92149316123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32161394129 - 24 = 32161394113 is a prime.

It is not a weakly prime, because it can be changed into another prime (32161394179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16080697064 + 16080697065.

It is an arithmetic number, because the mean of its divisors is an integer number (16080697065).

Almost surely, 232161394129 is an apocalyptic number.

It is an amenable number.

32161394129 is a deficient number, since it is larger than the sum of its proper divisors (1).

32161394129 is an equidigital number, since it uses as much as digits as its factorization.

32161394129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The spelling of 32161394129 in words is "thirty-two billion, one hundred sixty-one million, three hundred ninety-four thousand, one hundred twenty-nine".