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1012245133 is a prime number
BaseRepresentation
bin111100010101011…
…010001010001101
32121112201101021111
4330111122022031
54033113321013
6244235532021
734040640664
oct7425321215
92545641244
101012245133
1147a427829
12242bba011
13131936923
1498617ddb
155dcee73d
hex3c55a28d

1012245133 has 2 divisors, whose sum is σ = 1012245134. Its totient is φ = 1012245132.

The previous prime is 1012245131. The next prime is 1012245173. The reversal of 1012245133 is 3315422101.

It is a happy number.

1012245133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 992691049 + 19554084 = 31507^2 + 4422^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012245133 - 21 = 1012245131 is a prime.

Together with 1012245131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012245131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506122566 + 506122567.

It is an arithmetic number, because the mean of its divisors is an integer number (506122567).

Almost surely, 21012245133 is an apocalyptic number.

It is an amenable number.

1012245133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012245133 is an equidigital number, since it uses as much as digits as its factorization.

1012245133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1012245133 is about 31815.8000528040. The cubic root of 1012245133 is about 1004.0651630563.

Adding to 1012245133 its reverse (3315422101), we get a palindrome (4327667234).

It can be divided in two parts, 10122 and 45133, that added together give a palindrome (55255).

The spelling of 1012245133 in words is "one billion, twelve million, two hundred forty-five thousand, one hundred thirty-three".