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124312111141081 is a prime number
BaseRepresentation
bin11100010000111110101011…
…001110011101000011011001
3121022011010021202122110212111
4130100332223032131003121
5112243212200423003311
61120220110115512321
735120153000133103
oct3420765316350331
9538133252573774
10124312111141081
1136678519a24686
1211b3862a5b86a1
135449774230376
14229aa49bc0573
15e5899b195d21
hex710fab39d0d9

124312111141081 has 2 divisors, whose sum is σ = 124312111141082. Its totient is φ = 124312111141080.

The previous prime is 124312111141061. The next prime is 124312111141139. The reversal of 124312111141081 is 180141111213421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71860970097225 + 52451141043856 = 8477085^2 + 7242316^2 .

It is a cyclic number.

It is not a de Polignac number, because 124312111141081 - 215 = 124312111108313 is a prime.

It is a super-2 number, since 2×1243121111410812 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124312111141061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62156055570540 + 62156055570541.

It is an arithmetic number, because the mean of its divisors is an integer number (62156055570541).

Almost surely, 2124312111141081 is an apocalyptic number.

It is an amenable number.

124312111141081 is a deficient number, since it is larger than the sum of its proper divisors (1).

124312111141081 is an equidigital number, since it uses as much as digits as its factorization.

124312111141081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 31.

The spelling of 124312111141081 in words is "one hundred twenty-four trillion, three hundred twelve billion, one hundred eleven million, one hundred forty-one thousand, eighty-one".