Search a number
-
+
88275672509 = 3116331375569
BaseRepresentation
bin101001000110110100…
…0111101110110111101
322102212002020210111012
41102031220331312331
52421242033010014
6104315302005005
76243360556463
oct1221550756675
9272762223435
1088275672509
113448a352352
1215137416765
13842a80895b
1443b5cc2833
152469cbec3e
hex148da3ddbd

88275672509 has 16 divisors (see below), whose sum is σ = 91728007680. Its totient is φ = 84861665280.

The previous prime is 88275672493. The next prime is 88275672673. The reversal of 88275672509 is 90527657288.

It is a cyclic number.

It is not a de Polignac number, because 88275672509 - 24 = 88275672493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88275672409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15848477 + ... + 15854045.

It is an arithmetic number, because the mean of its divisors is an integer number (5733000480).

Almost surely, 288275672509 is an apocalyptic number.

It is an amenable number.

88275672509 is a deficient number, since it is larger than the sum of its proper divisors (3452335171).

88275672509 is a wasteful number, since it uses less digits than its factorization.

88275672509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8900.

The product of its (nonzero) digits is 16934400, while the sum is 59.

The spelling of 88275672509 in words is "eighty-eight billion, two hundred seventy-five million, six hundred seventy-two thousand, five hundred nine".

Divisors: 1 31 163 3137 5053 5569 97247 172639 511331 907747 15851261 17469953 28140157 541568543 2847602339 88275672509