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120345013 is a prime number
BaseRepresentation
bin1110010110001…
…01000110110101
322101110011022201
413023011012311
5221302020023
615535224501
72660626045
oct713050665
9271404281
10120345013
1161a27a98
1234378131
131bc17c89
1411da9725
15a872bad
hex72c51b5

120345013 has 2 divisors, whose sum is σ = 120345014. Its totient is φ = 120345012.

The previous prime is 120345011. The next prime is 120345061. The reversal of 120345013 is 310543021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79869969 + 40475044 = 8937^2 + 6362^2 .

It is a cyclic number.

It is not a de Polignac number, because 120345013 - 21 = 120345011 is a prime.

Together with 120345011, 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 (120345011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60172506 + 60172507.

It is an arithmetic number, because the mean of its divisors is an integer number (60172507).

Almost surely, 2120345013 is an apocalyptic number.

It is an amenable number.

120345013 is a deficient number, since it is larger than the sum of its proper divisors (1).

120345013 is an equidigital number, since it uses as much as digits as its factorization.

120345013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 120345013 is about 10970.1874642141. The cubic root of 120345013 is about 493.7146710181.

Adding to 120345013 its reverse (310543021), we get a palindrome (430888034).

The spelling of 120345013 in words is "one hundred twenty million, three hundred forty-five thousand, thirteen".