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124312029997 is a prime number
BaseRepresentation
bin111001111000110010…
…0110000101100101101
3102212212112000102122011
41303301210300230231
54014042334424442
6133035210121221
711660365551301
oct1636144605455
9385775012564
10124312029997
11487a199a081
1220113a20211
13b9516593cc
146033cc1d01
153378814117
hex1cf1930b2d

124312029997 has 2 divisors, whose sum is σ = 124312029998. Its totient is φ = 124312029996.

The previous prime is 124312029979. The next prime is 124312030013. The reversal of 124312029997 is 799920213421.

It is a happy number.

Together with previous prime (124312029979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71791307721 + 52520722276 = 267939^2 + 229174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124312029997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124312029997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124312029977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62156014998 + 62156014999.

It is an arithmetic number, because the mean of its divisors is an integer number (62156014999).

Almost surely, 2124312029997 is an apocalyptic number.

It is an amenable number.

124312029997 is a deficient number, since it is larger than the sum of its proper divisors (1).

124312029997 is an equidigital number, since it uses as much as digits as its factorization.

124312029997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 124312029997 in words is "one hundred twenty-four billion, three hundred twelve million, twenty-nine thousand, nine hundred ninety-seven".