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1630080000 = 2103254283
BaseRepresentation
bin110000100101001…
…0000110000000000
311012121021122101100
41201022100300000
511314300030000
6425430134400
755252310553
oct14112206000
94177248340
101630080000
1176715725a
12395ab1400
131cc9382a3
141166c469a
1598191a00
hex61290c00

1630080000 has 330 divisors, whose sum is σ = 5902426244. Its totient is φ = 433152000.

The previous prime is 1630079903. The next prime is 1630080017. The reversal of 1630080000 is 800361.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5759859 + ... + 5760141.

Almost surely, 21630080000 is an apocalyptic number.

1630080000 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 1630080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2951213122).

1630080000 is an abundant number, since it is smaller than the sum of its proper divisors (4272346244).

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

1630080000 is an equidigital number, since it uses as much as digits as its factorization.

1630080000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1630080000 is about 40374.2492190257. The cubic root of 1630080000 is about 1176.8911751130.

Adding to 1630080000 its reverse (800361), we get a palindrome (1630880361).

The spelling of 1630080000 in words is "one billion, six hundred thirty million, eighty thousand".