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3981373050 = 2352198316831
BaseRepresentation
bin1110110101001110…
…1110111001111010
3101021110122201002010
43231103232321322
531123212414200
61455022350350
7200443053414
oct35523567172
911243581063
103981373050
111763421556
1293142b3b6
134b5acc255
1429aaa59b4
151847e6150
hexed4eee7a

3981373050 has 96 divisors (see below), whose sum is σ = 10519326720. Its totient is φ = 993643200.

The previous prime is 3981373037. The next prime is 3981373057. The reversal of 3981373050 is 503731893.

It is not an unprimeable number, because it can be changed into a prime (3981373057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 228135 + ... + 244965.

It is an arithmetic number, because the mean of its divisors is an integer number (109576320).

Almost surely, 23981373050 is an apocalyptic number.

3981373050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3981373050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5259663360).

3981373050 is an abundant number, since it is smaller than the sum of its proper divisors (6537953670).

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

3981373050 is a wasteful number, since it uses less digits than its factorization.

3981373050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16948 (or 16943 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 3981373050 is about 63098.1223967877. The cubic root of 3981373050 is about 1584.9331805830.

The spelling of 3981373050 in words is "three billion, nine hundred eighty-one million, three hundred seventy-three thousand, fifty".

Divisors: 1 2 3 5 6 10 15 19 25 30 38 50 57 75 83 95 114 150 166 190 249 285 415 475 498 570 830 950 1245 1425 1577 2075 2490 2850 3154 4150 4731 6225 7885 9462 12450 15770 16831 23655 33662 39425 47310 50493 78850 84155 100986 118275 168310 236550 252465 319789 420775 504930 639578 841550 959367 1262325 1396973 1598945 1918734 2524650 2793946 3197890 4190919 4796835 6984865 7994725 8381838 9593670 13969730 15989450 20954595 23984175 26542487 34924325 41909190 47968350 53084974 69848650 79627461 104772975 132712435 159254922 209545950 265424870 398137305 663562175 796274610 1327124350 1990686525 3981373050