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1990850224896 = 283213197614597
BaseRepresentation
bin11100111110000111111…
…010111010001100000000
321001022201202221010010200
4130332013322322030000
5230104230124144041
64122330045325200
7263556060461631
oct34760772721400
97038652833120
101990850224896
116a8351061385
12281a0b866800
13115975a63670
146c50160b888
1536bbeab81b6
hex1cf87eba300

1990850224896 has 432 divisors, whose sum is σ = 6516977507040. Its totient is φ = 579440148480.

The previous prime is 1990850224849. The next prime is 1990850224927. The reversal of 1990850224896 is 6984220580991.

1990850224896 is a `hidden beast` number, since 19 + 9 + 0 + 8 + 502 + 24 + 8 + 96 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 433073670 + ... + 433078266.

Almost surely, 21990850224896 is an apocalyptic number.

1990850224896 is a gapful number since it is divisible by the number (16) 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 1990850224896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3258488753520).

1990850224896 is an abundant number, since it is smaller than the sum of its proper divisors (4526127282144).

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

1990850224896 is a wasteful number, since it uses less digits than its factorization.

1990850224896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5412 (or 5395 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 1990850224896 in words is "one trillion, nine hundred ninety billion, eight hundred fifty million, two hundred twenty-four thousand, eight hundred ninety-six".