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80116128 = 253510303
BaseRepresentation
bin1001100011001…
…11100110100000
312120202022200000
410301213212200
5131002204003
611541100000
71661655501
oct461474640
9176668600
1080116128
1141250484
12229b7600
13137a11c1
14a8d6ba8
1570781a3
hex4c679a0

80116128 has 72 divisors (see below), whose sum is σ = 236291328. Its totient is φ = 26702784.

The previous prime is 80116123. The next prime is 80116133. The reversal of 80116128 is 82161108.

It is an interprime number because it is at equal distance from previous prime (80116123) and next prime (80116133).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (80116123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2625 + ... + 12927.

It is an arithmetic number, because the mean of its divisors is an integer number (3281824).

Almost surely, 280116128 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 80116128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118145664).

80116128 is an abundant number, since it is smaller than the sum of its proper divisors (156175200).

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

80116128 is a wasteful number, since it uses less digits than its factorization.

80116128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10328 (or 10308 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 80116128 is about 8950.7613084028. The cubic root of 80116128 is about 431.0953290318.

The spelling of 80116128 in words is "eighty million, one hundred sixteen thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 243 288 324 432 486 648 864 972 1296 1944 2592 3888 7776 10303 20606 30909 41212 61818 82424 92727 123636 164848 185454 247272 278181 329696 370908 494544 556362 741816 834543 989088 1112724 1483632 1669086 2225448 2503629 2967264 3338172 4450896 5007258 6676344 8901792 10014516 13352688 20029032 26705376 40058064 80116128