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148755951979 is a prime number
BaseRepresentation
bin1000101010001010001…
…0111011000101101011
3112012222001120022210221
42022202202323011223
54414123010430404
6152200524150511
713514211505045
oct2124242730553
9465861508727
10148755951979
11580a5947498
12249b6098437
1311048904a7b
1472b2476a95
153d09792954
hex22a28bb16b

148755951979 has 2 divisors, whose sum is σ = 148755951980. Its totient is φ = 148755951978.

The previous prime is 148755951977. The next prime is 148755952013. The reversal of 148755951979 is 979159557841.

It is a weak prime.

It is an emirp because it is prime and its reverse (979159557841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148755951979 - 21 = 148755951977 is a prime.

Together with 148755951977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (148755951977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74377975989 + 74377975990.

It is an arithmetic number, because the mean of its divisors is an integer number (74377975990).

Almost surely, 2148755951979 is an apocalyptic number.

148755951979 is a deficient number, since it is larger than the sum of its proper divisors (1).

148755951979 is an equidigital number, since it uses as much as digits as its factorization.

148755951979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884000, while the sum is 70.

The spelling of 148755951979 in words is "one hundred forty-eight billion, seven hundred fifty-five million, nine hundred fifty-one thousand, nine hundred seventy-nine".