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1683770089980 = 223511191229109253
BaseRepresentation
bin11000100000001000100…
…001001010000111111100
312221222002211110222011110
4120200020201022013330
5210041330120334410
63325302512322020
7232435251422436
oct30401041120774
95858084428143
101683770089980
1159a0a0357a10
122323ab243310
13c2a18152214
145b6d004d656
152dbeaa61720
hex1880884a1fc

1683770089980 has 192 divisors, whose sum is σ = 5418299174400. Its totient is φ = 386384993280.

The previous prime is 1683770089949. The next prime is 1683770090033. The reversal of 1683770089980 is 899800773861.

It is a super-2 number, since 2×16837700899802 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15357034 + ... + 15466286.

It is an arithmetic number, because the mean of its divisors is an integer number (28220308200).

Almost surely, 21683770089980 is an apocalyptic number.

1683770089980 is a gapful number since it is divisible by the number (10) 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 1683770089980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2709149587200).

1683770089980 is an abundant number, since it is smaller than the sum of its proper divisors (3734529084420).

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

1683770089980 is a wasteful number, since it uses less digits than its factorization.

1683770089980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110524 (or 110522 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 66.

The spelling of 1683770089980 in words is "one trillion, six hundred eighty-three billion, seven hundred seventy million, eighty-nine thousand, nine hundred eighty".