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1070011561 is a prime number
BaseRepresentation
bin111111110001110…
…001010010101001
32202120102012220211
4333301301102221
54142410332221
6254102021121
735341643143
oct7761612251
92676365824
101070011561
114a9aa2583
1225a4177a1
131408b1048
14a2173c93
1563e106e1
hex3fc714a9

1070011561 has 2 divisors, whose sum is σ = 1070011562. Its totient is φ = 1070011560.

The previous prime is 1070011549. The next prime is 1070011567. The reversal of 1070011561 is 1651100701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 612265536 + 457746025 = 24744^2 + 21395^2 .

It is a cyclic number.

It is not a de Polignac number, because 1070011561 - 25 = 1070011529 is a prime.

It is a super-2 number, since 2×10700115612 = 2289849481347313442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1070011567) 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, 535005780 + 535005781.

It is an arithmetic number, because the mean of its divisors is an integer number (535005781).

Almost surely, 21070011561 is an apocalyptic number.

It is an amenable number.

1070011561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1070011561 is an equidigital number, since it uses as much as digits as its factorization.

1070011561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 22.

The square root of 1070011561 is about 32711.0311821563. The cubic root of 1070011561 is about 1022.8128054624.

The spelling of 1070011561 in words is "one billion, seventy million, eleven thousand, five hundred sixty-one".