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29440448408 = 23723137166843
BaseRepresentation
bin11011011010110010…
…011001011110011000
32210222202101201220002
4123122302121132120
5440243223322113
621305202552132
72061363453050
oct333262313630
983882351802
1029440448408
11115384026a8
125857668648
132a1248c197
1415d3dd0560
15b7494ac58
hex6dac99798

29440448408 has 64 divisors (see below), whose sum is σ = 66310479360. Its totient is φ = 11980590336.

The previous prime is 29440448383. The next prime is 29440448419. The reversal of 29440448408 is 80484404492.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93035 + ... + 259877.

It is an arithmetic number, because the mean of its divisors is an integer number (1036101240).

Almost surely, 229440448408 is an apocalyptic number.

29440448408 is a gapful number since it is divisible by the number (28) 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 29440448408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33155239680).

29440448408 is an abundant number, since it is smaller than the sum of its proper divisors (36870030952).

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

29440448408 is a wasteful number, since it uses less digits than its factorization.

29440448408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167016 (or 167012 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 47.

The spelling of 29440448408 in words is "twenty-nine billion, four hundred forty million, four hundred forty-eight thousand, four hundred eight".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 137 161 184 274 322 548 644 959 1096 1288 1918 3151 3836 6302 7672 12604 22057 25208 44114 88228 166843 176456 333686 667372 1167901 1334744 2335802 3837389 4671604 7674778 9343208 15349556 22857491 26861723 30699112 45714982 53723446 91429964 107446892 160002437 182859928 214893784 320004874 525722293 640009748 1051444586 1280019496 2102889172 3680056051 4205778344 7360112102 14720224204 29440448408