Search a number
-
+
13143014440 = 2352099156539
BaseRepresentation
bin11000011110110001…
…00111110000101000
31020220221220022101121
430033120213300220
5203404102430230
610012100225024
7643460531233
oct141730476050
936827808347
1013143014440
115634986306
12266969b174
131315bc612a
148c975641a
1551dca177a
hex30f627c28

13143014440 has 32 divisors (see below), whose sum is σ = 29586060000. Its totient is φ = 5254667584.

The previous prime is 13143014431. The next prime is 13143014447. The reversal of 13143014440 is 4441034131.

It is not an unprimeable number, because it can be changed into a prime (13143014447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5691 + ... + 162229.

It is an arithmetic number, because the mean of its divisors is an integer number (924564375).

Almost surely, 213143014440 is an apocalyptic number.

13143014440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13143014440 is an abundant number, since it is smaller than the sum of its proper divisors (16443045560).

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

13143014440 is a wasteful number, since it uses less digits than its factorization.

13143014440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158649 (or 158645 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13143014440 its reverse (4441034131), we get a palindrome (17584048571).

The spelling of 13143014440 in words is "thirteen billion, one hundred forty-three million, fourteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 2099 4198 8396 10495 16792 20990 41980 83960 156539 313078 626156 782695 1252312 1565390 3130780 6261560 328575361 657150722 1314301444 1642876805 2628602888 3285753610 6571507220 13143014440