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144421030139 is a prime number
BaseRepresentation
bin1000011010000000101…
…0100000100011111011
3111210202221122110222012
42012200022200203323
54331233240431024
6150202431520135
713301613334001
oct2064012404373
9453687573865
10144421030139
11562809a7561
1223ba638904b
13108077a9269
146dc085ca71
153b53e1150e
hex21a02a08fb

144421030139 has 2 divisors, whose sum is σ = 144421030140. Its totient is φ = 144421030138.

The previous prime is 144421030003. The next prime is 144421030147. The reversal of 144421030139 is 931030124441.

It is a strong prime.

It is an emirp because it is prime and its reverse (931030124441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144421030139 is a prime.

It is not a weakly prime, because it can be changed into another prime (144421030199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72210515069 + 72210515070.

It is an arithmetic number, because the mean of its divisors is an integer number (72210515070).

Almost surely, 2144421030139 is an apocalyptic number.

144421030139 is a deficient number, since it is larger than the sum of its proper divisors (1).

144421030139 is an equidigital number, since it uses as much as digits as its factorization.

144421030139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 144421030139 in words is "one hundred forty-four billion, four hundred twenty-one million, thirty thousand, one hundred thirty-nine".