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1056194641 is a prime number
BaseRepresentation
bin111110111101000…
…100000001010001
32201121102020200001
4332331010001101
54130341212031
6252445530001
735113335445
oct7675040121
92647366601
101056194641
114a2215737
12255873901
1313aa84058
14a03b8825
1562ad1861
hex3ef44051

1056194641 has 2 divisors, whose sum is σ = 1056194642. Its totient is φ = 1056194640.

The previous prime is 1056194639. The next prime is 1056194663. The reversal of 1056194641 is 1464916501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1005143616 + 51051025 = 31704^2 + 7145^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056194641 - 21 = 1056194639 is a prime.

It is a super-2 number, since 2×10561946412 = 2231094239354237762, which contains 22 as substring.

Together with 1056194639, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1056194641.

It is not a weakly prime, because it can be changed into another prime (1056194621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528097320 + 528097321.

It is an arithmetic number, because the mean of its divisors is an integer number (528097321).

Almost surely, 21056194641 is an apocalyptic number.

It is an amenable number.

1056194641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056194641 is an equidigital number, since it uses as much as digits as its factorization.

1056194641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1056194641 is about 32499.1483119173. The cubic root of 1056194641 is about 1018.3912359063.

The spelling of 1056194641 in words is "one billion, fifty-six million, one hundred ninety-four thousand, six hundred forty-one".