Search a number
-
+
88305561601 = 791117791919
BaseRepresentation
bin101001000111101101…
…0111111000000000001
322102221011111022121121
41102033122333000001
52421322210432401
6104322250352241
76244202613625
oct1221732770001
9272834438547
1088305561601
11344a5207484
121514542b681
138433a722ca
1443b9c63185
15246c725ca1
hex148f6bf001

88305561601 has 4 divisors (see below), whose sum is σ = 89423353600. Its totient is φ = 87187769604.

The previous prime is 88305561587. The next prime is 88305561613. The reversal of 88305561601 is 10616550388.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88305561601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88305561671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558895881 + ... + 558896038.

It is an arithmetic number, because the mean of its divisors is an integer number (22355838400).

Almost surely, 288305561601 is an apocalyptic number.

It is an amenable number.

88305561601 is a deficient number, since it is larger than the sum of its proper divisors (1117791999).

88305561601 is a wasteful number, since it uses less digits than its factorization.

88305561601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117791998.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 88305561601 in words is "eighty-eight billion, three hundred five million, five hundred sixty-one thousand, six hundred one".

Divisors: 1 79 1117791919 88305561601