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88385991232 = 26711235913217
BaseRepresentation
bin101001001010000110…
…1110011001001000000
322110010202211120022211
41102110031303021000
52422003303204412
6104334242311504
76246200346430
oct1222415631100
9273122746284
1088385991232
1134536651450
1215168358594
1384476230c6
1443c67dc2c0
152474811ca7
hex1494373240

88385991232 has 224 divisors, whose sum is σ = 232061552640. Its totient is φ = 32378142720.

The previous prime is 88385991191. The next prime is 88385991241. The reversal of 88385991232 is 23219958388.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6680688 + ... + 6693904.

Almost surely, 288385991232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88385991232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116030776320).

88385991232 is an abundant number, since it is smaller than the sum of its proper divisors (143675561408).

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

88385991232 is a wasteful number, since it uses less digits than its factorization.

88385991232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13329 (or 13319 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 58.

The spelling of 88385991232 in words is "eighty-eight billion, three hundred eighty-five million, nine hundred ninety-one thousand, two hundred thirty-two".