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1012228879 is a prime number
BaseRepresentation
bin111100010101010…
…110001100001111
32121112200112222111
4330111112030033
54033112311004
6244235324451
734040542414
oct7425261417
92545615874
101012228879
1147a4165a2
12242bb0727
1313192c3cc
149861210b
155dce9a04
hex3c55630f

1012228879 has 2 divisors, whose sum is σ = 1012228880. Its totient is φ = 1012228878.

The previous prime is 1012228843. The next prime is 1012228883. The reversal of 1012228879 is 9788222101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012228879 - 225 = 978674447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012228829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506114439 + 506114440.

It is an arithmetic number, because the mean of its divisors is an integer number (506114440).

Almost surely, 21012228879 is an apocalyptic number.

1012228879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012228879 is an equidigital number, since it uses as much as digits as its factorization.

1012228879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 1012228879 is about 31815.5446126575. The cubic root of 1012228879 is about 1004.0597888105.

The spelling of 1012228879 in words is "one billion, twelve million, two hundred twenty-eight thousand, eight hundred seventy-nine".