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124347963979 is a prime number
BaseRepresentation
bin111001111001110110…
…1110101101001001011
3102212222000122001210101
41303303231311221023
54014131034321404
6133042532230231
711661313153141
oct1636355655113
9385860561711
10124347963979
1148810202888
1220123a6b377
13b958c2b315
146038997591
15337ba612a4
hex1cf3b75a4b

124347963979 has 2 divisors, whose sum is σ = 124347963980. Its totient is φ = 124347963978.

The previous prime is 124347963953. The next prime is 124347964021. The reversal of 124347963979 is 979369743421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124347963979 is a prime.

It is a super-2 number, since 2×1243479639792 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124347963979.

It is not a weakly prime, because it can be changed into another prime (124347963679) 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, 62173981989 + 62173981990.

It is an arithmetic number, because the mean of its divisors is an integer number (62173981990).

Almost surely, 2124347963979 is an apocalyptic number.

124347963979 is a deficient number, since it is larger than the sum of its proper divisors (1).

124347963979 is an equidigital number, since it uses as much as digits as its factorization.

124347963979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61725888, while the sum is 64.

The spelling of 124347963979 in words is "one hundred twenty-four billion, three hundred forty-seven million, nine hundred sixty-three thousand, nine hundred seventy-nine".