Search a number
-
+
1019212937 is a prime number
BaseRepresentation
bin111100101111111…
…111010010001001
32122000211101022022
4330233333102021
54041404303222
6245045134225
734154111201
oct7457772211
92560741268
101019212937
11483356846
122453ba375
131332062a2
149950d401
155e729042
hex3cbff489

1019212937 has 2 divisors, whose sum is σ = 1019212938. Its totient is φ = 1019212936.

The previous prime is 1019212921. The next prime is 1019212963. The reversal of 1019212937 is 7392129101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 878766736 + 140446201 = 29644^2 + 11851^2 .

It is a cyclic number.

It is not a de Polignac number, because 1019212937 - 24 = 1019212921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1019212897 and 1019212906.

It is not a weakly prime, because it can be changed into another prime (1019212037) 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 as a sum of consecutive naturals, namely, 509606468 + 509606469.

It is an arithmetic number, because the mean of its divisors is an integer number (509606469).

Almost surely, 21019212937 is an apocalyptic number.

It is an amenable number.

1019212937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1019212937 is an equidigital number, since it uses as much as digits as its factorization.

1019212937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 1019212937 is about 31925.1145181971. The cubic root of 1019212937 is about 1006.3637293776.

The spelling of 1019212937 in words is "one billion, nineteen million, two hundred twelve thousand, nine hundred thirty-seven".