Search a number
-
+
38625470249 is a prime number
BaseRepresentation
bin100011111110010000…
…011110011100101001
310200200212122012011012
4203332100132130221
51113101110021444
625424433513305
72535114036302
oct437620363451
9120625565135
1038625470249
1115421086543
12759b712835
133847381052
141c25c097a9
151010ec3b9e
hex8fe41e729

38625470249 has 2 divisors, whose sum is σ = 38625470250. Its totient is φ = 38625470248.

The previous prime is 38625470239. The next prime is 38625470267. The reversal of 38625470249 is 94207452683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29568522025 + 9056948224 = 171955^2 + 95168^2 .

It is a cyclic number.

It is not a de Polignac number, because 38625470249 - 224 = 38608693033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38625470197 and 38625470206.

It is not a weakly prime, because it can be changed into another prime (38625470239) 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, 19312735124 + 19312735125.

It is an arithmetic number, because the mean of its divisors is an integer number (19312735125).

Almost surely, 238625470249 is an apocalyptic number.

It is an amenable number.

38625470249 is a deficient number, since it is larger than the sum of its proper divisors (1).

38625470249 is an equidigital number, since it uses as much as digits as its factorization.

38625470249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 38625470249 in words is "thirty-eight billion, six hundred twenty-five million, four hundred seventy thousand, two hundred forty-nine".