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41900781660 = 22352959616691
BaseRepresentation
bin100111000001011110…
…110011000001011100
311000011010201020202020
4213001132303001130
51141303100003120
631125435100140
73012224524203
oct470136630134
9130133636666
1041900781660
1116851998481
1281545a1650
133c49acab3a
142056bda23a
1511537eb640
hex9c17b305c

41900781660 has 192 divisors, whose sum is σ = 125466969600. Its totient is φ = 10429977600.

The previous prime is 41900781653. The next prime is 41900781679. The reversal of 41900781660 is 6618700914.

It is a congruent 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 63 ways as a sum of consecutive naturals, for example, 6258915 + ... + 6265605.

It is an arithmetic number, because the mean of its divisors is an integer number (653473800).

Almost surely, 241900781660 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 41900781660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62733484800).

41900781660 is an abundant number, since it is smaller than the sum of its proper divisors (83566187940).

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

41900781660 is a wasteful number, since it uses less digits than its factorization.

41900781660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6852 (or 6850 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 41900781660 in words is "forty-one billion, nine hundred million, seven hundred eighty-one thousand, six hundred sixty".