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88932968640 = 263251931103509
BaseRepresentation
bin101001011010011010…
…0010110100011000000
322111112220001220021100
41102310310112203000
52424113314444030
6104504422054400
76265561521645
oct1226464264300
9274486056240
1088932968640
113479738469a
121529b57a400
138503a45889
144439301dcc
1524a7859360
hex14b4d168c0

88932968640 has 672 divisors, whose sum is σ = 336265113600. Its totient is φ = 21489131520.

The previous prime is 88932968623. The next prime is 88932968669. The reversal of 88932968640 is 4686923988.

It is a super-2 number, since 2×889329686402 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 174720706 + ... + 174721214.

Almost surely, 288932968640 is an apocalyptic number.

88932968640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88932968640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168132556800).

88932968640 is an abundant number, since it is smaller than the sum of its proper divisors (247332144960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88932968640 is a wasteful number, since it uses less digits than its factorization.

88932968640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 88932968640 in words is "eighty-eight billion, nine hundred thirty-two million, nine hundred sixty-eight thousand, six hundred forty".