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1210112429 is a prime number
BaseRepresentation
bin100100000100000…
…1101100110101101
310010100001002011212
41020020031212231
54434242044204
6320024524205
741662533401
oct11010154655
93110032155
101210112429
11571093419
12299320665
13163925276
14b6a03101
1571386c6e
hex4820d9ad

1210112429 has 2 divisors, whose sum is σ = 1210112430. Its totient is φ = 1210112428.

The previous prime is 1210112381. The next prime is 1210112437. The reversal of 1210112429 is 9242110121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 653058025 + 557054404 = 25555^2 + 23602^2 .

It is an emirp because it is prime and its reverse (9242110121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1210112429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210114429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605056214 + 605056215.

It is an arithmetic number, because the mean of its divisors is an integer number (605056215).

Almost surely, 21210112429 is an apocalyptic number.

It is an amenable number.

1210112429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210112429 is an equidigital number, since it uses as much as digits as its factorization.

1210112429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1210112429 is about 34786.6702775647. The cubic root of 1210112429 is about 1065.6352397648.

The spelling of 1210112429 in words is "one billion, two hundred ten million, one hundred twelve thousand, four hundred twenty-nine".