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69443242528 = 25118913116921
BaseRepresentation
bin100000010101100100…
…0111100101000100000
320122020121201020012111
41000223020330220200
52114204432230103
651522441405104
75005603552012
oct1005310745040
9218217636174
1069443242528
11274a5999a30
1211560499794
136718cac46a
14350aac81b2
151c167d586d
hex102b23ca20

69443242528 has 96 divisors (see below), whose sum is σ = 151981220160. Its totient is φ = 30970368000.

The previous prime is 69443242487. The next prime is 69443242529. The reversal of 69443242528 is 82524234496.

It is not an unprimeable number, because it can be changed into a prime (69443242529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4095508 + ... + 4112428.

It is an arithmetic number, because the mean of its divisors is an integer number (1583137710).

Almost surely, 269443242528 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 69443242528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75990610080).

69443242528 is an abundant number, since it is smaller than the sum of its proper divisors (82537977632).

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

69443242528 is a wasteful number, since it uses less digits than its factorization.

69443242528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17162 (or 17154 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 49.

The spelling of 69443242528 in words is "sixty-nine billion, four hundred forty-three million, two hundred forty-two thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 89 131 176 178 262 352 356 524 712 979 1048 1424 1441 1958 2096 2848 2882 3916 4192 5764 7832 11528 11659 15664 16921 23056 23318 31328 33842 46112 46636 67684 93272 128249 135368 186131 186544 256498 270736 372262 373088 512996 541472 744524 1025992 1489048 1505969 2051984 2216651 2978096 3011938 4103968 4433302 5956192 6023876 8866604 12047752 16565659 17733208 24095504 24383161 33131318 35466416 48191008 48766322 66262636 70932832 97532644 132525272 195065288 197281939 265050544 390130576 394563878 530101088 780261152 789127756 1578255512 2170101329 3156511024 4340202658 6313022048 8680405316 17360810632 34721621264 69443242528