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1290233083 is a prime number
BaseRepresentation
bin100110011100111…
…0110010011111011
310022220210122001111
41030321312103323
510120244424313
6332010101151
743654541326
oct11471662373
93286718044
101290233083
11602337237
1230011a7b7
131773c8539
14c34db7bd
157841143d
hex4ce764fb

1290233083 has 2 divisors, whose sum is σ = 1290233084. Its totient is φ = 1290233082.

The previous prime is 1290233081. The next prime is 1290233117. The reversal of 1290233083 is 3803320921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1290233083 - 21 = 1290233081 is a prime.

Together with 1290233081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1290233081) 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, 645116541 + 645116542.

It is an arithmetic number, because the mean of its divisors is an integer number (645116542).

Almost surely, 21290233083 is an apocalyptic number.

1290233083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290233083 is an equidigital number, since it uses as much as digits as its factorization.

1290233083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 1290233083 is about 35919.8146292544. The cubic root of 1290233083 is about 1088.6527931165.

The spelling of 1290233083 in words is "one billion, two hundred ninety million, two hundred thirty-three thousand, eighty-three".