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1325998080 = 21333511109
BaseRepresentation
bin100111100001001…
…0010000000000000
310102102002200102000
41033002102000000
510203423414310
6335324424000
744600540421
oct11702220000
93372080360
101325998080
11620544a90
123100a8000
1318193b564
14c816b648
157b6284c0
hex4f092000

1325998080 has 448 divisors, whose sum is σ = 5190134400. Its totient is φ = 318504960.

The previous prime is 1325998073. The next prime is 1325998103. The reversal of 1325998080 is 808995231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12165066 + ... + 12165174.

Almost surely, 21325998080 is an apocalyptic number.

1325998080 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 1325998080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2595067200).

1325998080 is an abundant number, since it is smaller than the sum of its proper divisors (3864136320).

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

1325998080 is a wasteful number, since it uses less digits than its factorization.

1325998080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 1325998080 is about 36414.2565487750. The cubic root of 1325998080 is about 1098.6203308869.

The spelling of 1325998080 in words is "one billion, three hundred twenty-five million, nine hundred ninety-eight thousand, eighty".