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88086372231 = 31113375549447
BaseRepresentation
bin101001000001001011…
…0110101111110000111
322102100220001100022210
41102002112311332013
52420400102402411
6104244420354503
76235601544564
oct1220226657607
9272326040283
1088086372231
11343a2508240
12150a3b45a33
1383ca529860
144398ac786b
15245837aca6
hex14825b5f87

88086372231 has 32 divisors (see below), whose sum is σ = 141710704128. Its totient is φ = 47947213440.

The previous prime is 88086372173. The next prime is 88086372239. The reversal of 88086372231 is 13227368088.

It is not a de Polignac number, because 88086372231 - 29 = 88086371719 is a prime.

It is a super-2 number, since 2×880863722312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88086372239) 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 31 ways as a sum of consecutive naturals, for example, 2758851 + ... + 2790596.

It is an arithmetic number, because the mean of its divisors is an integer number (4428459504).

Almost surely, 288086372231 is an apocalyptic number.

88086372231 is a deficient number, since it is larger than the sum of its proper divisors (53624331897).

88086372231 is a wasteful number, since it uses less digits than its factorization.

88086372231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5549511.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 88086372231 in words is "eighty-eight billion, eighty-six million, three hundred seventy-two thousand, two hundred thirty-one".

Divisors: 1 3 11 13 33 37 39 111 143 407 429 481 1221 1443 5291 15873 5549447 16648341 61043917 72142811 183131751 205329539 216428433 615988617 793570921 2258624929 2380712763 2669284007 6775874787 8007852021 29362124077 88086372231