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88722384381 = 329858042709
BaseRepresentation
bin101001010100001000…
…1000010010111111101
322111000012211002222100
41102220101002113331
52423200412300011
6104431500335313
76260423552451
oct1225021022775
9274005732870
1088722384381
1134699522614
1215240b44539
13849c223ac7
144419366661
15249410dd56
hex14a84425fd

88722384381 has 6 divisors (see below), whose sum is σ = 128154555230. Its totient is φ = 59148256248.

The previous prime is 88722384371. The next prime is 88722384391. The reversal of 88722384381 is 18348322788.

It is an interprime number because it is at equal distance from previous prime (88722384371) and next prime (88722384391).

It can be written as a sum of positive squares in only one way, i.e., 78643228356 + 10079156025 = 280434^2 + 100395^2 .

It is not a de Polignac number, because 88722384381 - 27 = 88722384253 is a prime.

It is a super-2 number, since 2×887223843812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88722384341) 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 5 ways as a sum of consecutive naturals, for example, 4929021346 + ... + 4929021363.

Almost surely, 288722384381 is an apocalyptic number.

It is an amenable number.

88722384381 is a deficient number, since it is larger than the sum of its proper divisors (39432170849).

88722384381 is a wasteful number, since it uses less digits than its factorization.

88722384381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9858042715 (or 9858042712 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 54.

The spelling of 88722384381 in words is "eighty-eight billion, seven hundred twenty-two million, three hundred eighty-four thousand, three hundred eighty-one".

Divisors: 1 3 9 9858042709 29574128127 88722384381