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88420662720 = 2635513233803
BaseRepresentation
bin101001001011001001…
…0000011110111000000
322110020012002001200000
41102112102003313000
52422041142201340
6104341521400000
76250101142455
oct1222622036700
9273205061600
1088420662720
1134554182675
1215177a99000
138451872490
1443cb26582c
1524778aed30
hex1496483dc0

88420662720 has 672 divisors, whose sum is σ = 354516244992. Its totient is φ = 20813303808.

The previous prime is 88420662713. The next prime is 88420662731. The reversal of 88420662720 is 2726602488.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 23248339 + ... + 23252141.

It is an arithmetic number, because the mean of its divisors is an integer number (527553936).

Almost surely, 288420662720 is an apocalyptic number.

88420662720 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 88420662720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177258122496).

88420662720 is an abundant number, since it is smaller than the sum of its proper divisors (266095582272).

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

88420662720 is a wasteful number, since it uses less digits than its factorization.

88420662720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871 (or 3849 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 88420662720 in words is "eighty-eight billion, four hundred twenty million, six hundred sixty-two thousand, seven hundred twenty".