Search a number
-
+
1330423512 = 233116477789
BaseRepresentation
bin100111101001100…
…1010011011011000
310102201102111221220
41033103022123120
510211042023022
6340003332040
744653261515
oct11723123330
93381374856
101330423512
11622a97970
12311681020
1318282a962
14c89a030c
157bbee85c
hex4f4ca6d8

1330423512 has 64 divisors (see below), whose sum is σ = 3634502400. Its totient is φ = 402483840.

The previous prime is 1330423511. The next prime is 1330423513. The reversal of 1330423512 is 2153240331.

1330423512 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1330423511) and next prime (1330423513).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330423511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166914 + ... + 174702.

It is an arithmetic number, because the mean of its divisors is an integer number (56789100).

Almost surely, 21330423512 is an apocalyptic number.

1330423512 is a gapful number since it is divisible by the number (12) 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 1330423512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1817251200).

1330423512 is an abundant number, since it is smaller than the sum of its proper divisors (2304078888).

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

1330423512 is a wasteful number, since it uses less digits than its factorization.

1330423512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8456 (or 8452 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1330423512 is about 36474.9710349439. The cubic root of 1330423512 is about 1099.8411649448.

Adding to 1330423512 its reverse (2153240331), we get a palindrome (3483663843).

The spelling of 1330423512 in words is "one billion, three hundred thirty million, four hundred twenty-three thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 647 1294 1941 2588 3882 5176 7117 7764 7789 14234 15528 15578 21351 23367 28468 31156 42702 46734 56936 62312 85404 85679 93468 170808 171358 186936 257037 342716 514074 685432 1028148 2056296 5039483 10078966 15118449 20157932 30236898 40315864 55434313 60473796 110868626 120947592 166302939 221737252 332605878 443474504 665211756 1330423512