Search a number
-
+
25730026827 = 325357338237
BaseRepresentation
bin10111111101101000…
…010000110101001011
32110102011120210100120
4113331220100311023
5410143341324302
615453055434323
71600420422321
oct277550206513
973364523316
1025730026827
11aa03a24a8a
124ba0b259a3
132570859b5b
1413612d9d11
15a08d269bc
hex5fda10d4b

25730026827 has 8 divisors (see below), whose sum is σ = 34308156816. Its totient is φ = 17152624032.

The previous prime is 25730026801. The next prime is 25730026891. The reversal of 25730026827 is 72862003752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25730026827 - 214 = 25730010443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25730016827) 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 in 7 ways as a sum of consecutive naturals, for example, 93048 + ... + 245189.

It is an arithmetic number, because the mean of its divisors is an integer number (4288519602).

Almost surely, 225730026827 is an apocalyptic number.

25730026827 is a deficient number, since it is larger than the sum of its proper divisors (8578129989).

25730026827 is a wasteful number, since it uses less digits than its factorization.

25730026827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363597.

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 25730026827 in words is "twenty-five billion, seven hundred thirty million, twenty-six thousand, eight hundred twenty-seven".

Divisors: 1 3 25357 76071 338237 1014711 8576675609 25730026827