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144641055631 is a prime number
BaseRepresentation
bin1000011010110101000…
…1110101101110001111
3111211100021122221012111
42012231101311232033
54332211102240011
6150240331444451
713310224454512
oct2065521655617
9454307587174
10144641055631
1156384117a06
1224047bb6727
1310841255467
147001b74d79
153b683c4121
hex21ad475b8f

144641055631 has 2 divisors, whose sum is σ = 144641055632. Its totient is φ = 144641055630.

The previous prime is 144641055619. The next prime is 144641055653. The reversal of 144641055631 is 136550146441.

It is a weak prime.

It is an emirp because it is prime and its reverse (136550146441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144641055631 - 25 = 144641055599 is a prime.

It is a super-2 number, since 2×1446410556312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144641055731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72320527815 + 72320527816.

It is an arithmetic number, because the mean of its divisors is an integer number (72320527816).

Almost surely, 2144641055631 is an apocalyptic number.

144641055631 is a deficient number, since it is larger than the sum of its proper divisors (1).

144641055631 is an equidigital number, since it uses as much as digits as its factorization.

144641055631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 144641055631 in words is "one hundred forty-four billion, six hundred forty-one million, fifty-five thousand, six hundred thirty-one".