Search a number
-
+
28395395607 = 335423267203
BaseRepresentation
bin11010011100011111…
…110101101000010111
32201021220221112221210
4122130133311220113
5431123210124412
621013351512503
72023443610635
oct323437655027
981256845853
1028395395607
1111051507aa7
125605688733
1328a6b09647
1415352b6355
15b12d1a83c
hex69c7f5a17

28395395607 has 8 divisors (see below), whose sum is σ = 37861737984. Its totient is φ = 18929658488.

The previous prime is 28395395597. The next prime is 28395395627. The reversal of 28395395607 is 70659359382.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28395395607 - 210 = 28395394583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28395395627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27333 + ... + 239870.

It is an arithmetic number, because the mean of its divisors is an integer number (4732717248).

Almost surely, 228395395607 is an apocalyptic number.

28395395607 is a deficient number, since it is larger than the sum of its proper divisors (9466342377).

28395395607 is a wasteful number, since it uses less digits than its factorization.

28395395607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302629.

The product of its (nonzero) digits is 12247200, while the sum is 57.

The spelling of 28395395607 in words is "twenty-eight billion, three hundred ninety-five million, three hundred ninety-five thousand, six hundred seven".

Divisors: 1 3 35423 106269 267203 801609 9465131869 28395395607