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142245123372013 is a prime number
BaseRepresentation
bin100000010101111100000110…
…000011001011001111101101
3200122122111112012221212201011
4200111330012003023033231
5122121021003040401023
61222310301344345221
741650604522053444
oct4025740603131755
9618574465855634
10142245123372013
11413618aa903512
1213b54084015211
13614a87190ca5c
14271a9b4a43d5b
15116a1c70eb50d
hex815f060cb3ed

142245123372013 has 2 divisors, whose sum is σ = 142245123372014. Its totient is φ = 142245123372012.

The previous prime is 142245123371971. The next prime is 142245123372017. The reversal of 142245123372013 is 310273321542241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116205769694884 + 26039353677129 = 10779878^2 + 5102877^2 .

It is an emirp because it is prime and its reverse (310273321542241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142245123372013 - 29 = 142245123371501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142245123372017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71122561686006 + 71122561686007.

It is an arithmetic number, because the mean of its divisors is an integer number (71122561686007).

Almost surely, 2142245123372013 is an apocalyptic number.

It is an amenable number.

142245123372013 is a deficient number, since it is larger than the sum of its proper divisors (1).

142245123372013 is an equidigital number, since it uses as much as digits as its factorization.

142245123372013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 142245123372013 in words is "one hundred forty-two trillion, two hundred forty-five billion, one hundred twenty-three million, three hundred seventy-two thousand, thirteen".