Search a number
-
+
25140152887 is a prime number
BaseRepresentation
bin10111011010011110…
…000100101000110111
32101220001122002102121
4113122132010220313
5402441334343022
615314344420411
71546665526243
oct273236045067
971801562377
1025140152887
11a730a62a63
124a57477707
1324a8598315
141306c2b423
159c21592c7
hex5da784a37

25140152887 has 2 divisors, whose sum is σ = 25140152888. Its totient is φ = 25140152886.

The previous prime is 25140152881. The next prime is 25140152897. The reversal of 25140152887 is 78825104152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25140152887 - 211 = 25140150839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25140152881) 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, 12570076443 + 12570076444.

It is an arithmetic number, because the mean of its divisors is an integer number (12570076444).

Almost surely, 225140152887 is an apocalyptic number.

25140152887 is a deficient number, since it is larger than the sum of its proper divisors (1).

25140152887 is an equidigital number, since it uses as much as digits as its factorization.

25140152887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 179200, while the sum is 43.

The spelling of 25140152887 in words is "twenty-five billion, one hundred forty million, one hundred fifty-two thousand, eight hundred eighty-seven".