Search a number
-
+
28652895577 = 127433521047
BaseRepresentation
bin11010101011110110…
…000111110101011001
32201221212110220111201
4122223312013311121
5432140120124302
621055110554201
72033021410465
oct325366076531
981855426451
1028652895577
11111738a3599
125677968961
1329182769a7
14155b5854a5
15b2a731c87
hex6abd87d59

28652895577 has 8 divisors (see below), whose sum is σ = 28945258496. Its totient is φ = 28361575872.

The previous prime is 28652895559. The next prime is 28652895611. The reversal of 28652895577 is 77559825682.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28652895577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28652295577) 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, 205533 + ... + 315514.

It is an arithmetic number, because the mean of its divisors is an integer number (3618157312).

Almost surely, 228652895577 is an apocalyptic number.

It is an amenable number.

28652895577 is a deficient number, since it is larger than the sum of its proper divisors (292362919).

28652895577 is a wasteful number, since it uses less digits than its factorization.

28652895577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521607.

The product of its digits is 84672000, while the sum is 64.

The spelling of 28652895577 in words is "twenty-eight billion, six hundred fifty-two million, eight hundred ninety-five thousand, five hundred seventy-seven".

Divisors: 1 127 433 54991 521047 66172969 225613351 28652895577