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8902420912 = 2471124472953
BaseRepresentation
bin10000100101010000…
…00010100110110000
3211222102110211200001
420102220002212300
5121213004432122
64031213435344
7433416220630
oct102250024660
924872424601
108902420912
113859203660
12188549bb54
13abb4a66a8
146064946c0
15371854527
hex212a029b0

8902420912 has 80 divisors (see below), whose sum is σ = 21520622592. Its totient is φ = 3465884160.

The previous prime is 8902420909. The next prime is 8902420921. The reversal of 8902420912 is 2190242098.

It is a super-3 number, since 3×89024209123 (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3013228 + ... + 3016180.

Almost surely, 28902420912 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 8902420912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10760311296).

8902420912 is an abundant number, since it is smaller than the sum of its proper divisors (12618201680).

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

8902420912 is a wasteful number, since it uses less digits than its factorization.

8902420912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426 (or 5420 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 8902420912 is about 94352.6412560878. The cubic root of 8902420912 is about 2072.5389828838.

The spelling of 8902420912 in words is "eight billion, nine hundred two million, four hundred twenty thousand, nine hundred twelve".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 154 176 308 616 1232 2447 2953 4894 5906 9788 11812 17129 19576 20671 23624 26917 32483 34258 39152 41342 47248 53834 64966 68516 82684 107668 129932 137032 165368 188419 215336 227381 259864 274064 330736 376838 430672 454762 519728 753676 909524 1507352 1819048 3014704 3638096 7225991 14451982 28903964 50581937 57807928 79485901 101163874 115615856 158971802 202327748 317943604 404655496 556401307 635887208 809310992 1112802614 1271774416 2225605228 4451210456 8902420912