Search a number
-
+
32121048109 is a prime number
BaseRepresentation
bin11101111010100100…
…000100110000101101
310001220120102022101111
4131322210010300231
51011240442014414
622431201312021
72214663255403
oct357244046055
9101816368344
1032121048109
1112693548957
126285335611
13304b942457
1417aa013473
15c7ee4c8c4
hex77a904c2d

32121048109 has 2 divisors, whose sum is σ = 32121048110. Its totient is φ = 32121048108.

The previous prime is 32121048049. The next prime is 32121048137. The reversal of 32121048109 is 90184012123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23387584900 + 8733463209 = 152930^2 + 93453^2 .

It is a cyclic number.

It is not a de Polignac number, because 32121048109 - 215 = 32121015341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32121048409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060524054 + 16060524055.

It is an arithmetic number, because the mean of its divisors is an integer number (16060524055).

Almost surely, 232121048109 is an apocalyptic number.

It is an amenable number.

32121048109 is a deficient number, since it is larger than the sum of its proper divisors (1).

32121048109 is an equidigital number, since it uses as much as digits as its factorization.

32121048109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 32121048109 in words is "thirty-two billion, one hundred twenty-one million, forty-eight thousand, one hundred nine".