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1330332140 = 225312339209
BaseRepresentation
bin100111101001011…
…0100000111101100
310102201020212121202
41033102310013230
510211031112030
6340001345032
744652431234
oct11722640754
93381225552
101330332140
11622a35255
12311638178
131827c81a7
14c8978cc4
157bbd2745
hex4f4b41ec

1330332140 has 48 divisors (see below), whose sum is σ = 2896508160. Its totient is φ = 512701440.

The previous prime is 1330332089. The next prime is 1330332169. The reversal of 1330332140 is 412330331.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139856 + ... + 149064.

It is an arithmetic number, because the mean of its divisors is an integer number (60343920).

Almost surely, 21330332140 is an apocalyptic number.

1330332140 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 1330332140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448254080).

1330332140 is an abundant number, since it is smaller than the sum of its proper divisors (1566176020).

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

1330332140 is a wasteful number, since it uses less digits than its factorization.

1330332140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9482 (or 9480 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1330332140 is about 36473.7184833134. The cubic root of 1330332140 is about 1099.8159857477.

Adding to 1330332140 its reverse (412330331), we get a palindrome (1742662471).

The spelling of 1330332140 in words is "one billion, three hundred thirty million, three hundred thirty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 233 310 466 620 932 1165 2330 4660 7223 9209 14446 18418 28892 36115 36836 46045 72230 92090 144460 184180 285479 570958 1141916 1427395 2145697 2854790 4291394 5709580 8582788 10728485 21456970 42913940 66516607 133033214 266066428 332583035 665166070 1330332140