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125500124377 is a prime number
BaseRepresentation
bin111010011100001100…
…0111110110011011001
3102222221022121212201201
41310320120332303121
54024011012440002
6133353131114201
712032003312305
oct1647030766331
9388838555651
10125500124377
1149251603a61
12203a58a2961
13bab0842834
1461079d2d05
1533e7c9c087
hex1d3863ecd9

125500124377 has 2 divisors, whose sum is σ = 125500124378. Its totient is φ = 125500124376.

The previous prime is 125500124311. The next prime is 125500124443. The reversal of 125500124377 is 773421005521.

It is a balanced prime because it is at equal distance from previous prime (125500124311) and next prime (125500124443).

It can be written as a sum of positive squares in only one way, i.e., 83440677321 + 42059447056 = 288861^2 + 205084^2 .

It is an emirp because it is prime and its reverse (773421005521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125500124377 is a prime.

It is not a weakly prime, because it can be changed into another prime (125500124977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62750062188 + 62750062189.

It is an arithmetic number, because the mean of its divisors is an integer number (62750062189).

Almost surely, 2125500124377 is an apocalyptic number.

It is an amenable number.

125500124377 is a deficient number, since it is larger than the sum of its proper divisors (1).

125500124377 is an equidigital number, since it uses as much as digits as its factorization.

125500124377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 37.

Adding to 125500124377 its reverse (773421005521), we get a palindrome (898921129898).

The spelling of 125500124377 in words is "one hundred twenty-five billion, five hundred million, one hundred twenty-four thousand, three hundred seventy-seven".