Search a number
-
+
1060055981 is a prime number
BaseRepresentation
bin111111001011110…
…010101110101101
32201212200102102122
4333023302232231
54132333242411
6253104402325
735161220135
oct7713625655
92655612378
101060055981
114a4412826
122570163a5
1313b80677a
14a0b01ac5
15630e59db
hex3f2f2bad

1060055981 has 2 divisors, whose sum is σ = 1060055982. Its totient is φ = 1060055980.

The previous prime is 1060055959. The next prime is 1060056007. The reversal of 1060055981 is 1895500601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 897901225 + 162154756 = 29965^2 + 12734^2 .

It is a cyclic number.

It is not a de Polignac number, because 1060055981 - 26 = 1060055917 is a prime.

It is a super-2 number, since 2×10600559812 = 2247437365707744722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1060055911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530027990 + 530027991.

It is an arithmetic number, because the mean of its divisors is an integer number (530027991).

Almost surely, 21060055981 is an apocalyptic number.

It is an amenable number.

1060055981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1060055981 is an equidigital number, since it uses as much as digits as its factorization.

1060055981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 1060055981 is about 32558.5009022221. The cubic root of 1060055981 is about 1019.6307714601.

The spelling of 1060055981 in words is "one billion, sixty million, fifty-five thousand, nine hundred eighty-one".