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29026017090 = 237571719587
BaseRepresentation
bin11011000010000101…
…011101111101000010
32202220212120110000000
4123002011131331002
5433421130021330
621200120140430
72045202034350
oct330205357502
982825513000
1029026017090
1111345480284
125760907716
132977667055
141594d507d0
15b4d386560
hex6c215df42

29026017090 has 512 divisors, whose sum is σ = 99980697600. Its totient is φ = 5905529856.

The previous prime is 29026017077. The next prime is 29026017131. The reversal of 29026017090 is 9071062092.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 49447777 + ... + 49448363.

It is an arithmetic number, because the mean of its divisors is an integer number (195274800).

Almost surely, 229026017090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29026017090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49990348800).

29026017090 is an abundant number, since it is smaller than the sum of its proper divisors (70954680510).

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

29026017090 is a wasteful number, since it uses less digits than its factorization.

29026017090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The spelling of 29026017090 in words is "twenty-nine billion, twenty-six million, seventeen thousand, ninety".