Search a number
-
+
13144100202 = 234769105509
BaseRepresentation
bin11000011110111001…
…10000110101101010
31020221000221110210000
430033130300311222
5203404342201302
610012135403430
7643503002562
oct141734606552
936830843700
1013144100202
115635558032
122669b23576
1313161b63ac
148c9959da2
1551de1831c
hex30f730d6a

13144100202 has 40 divisors (see below), whose sum is σ = 29491100100. Its totient is φ = 4375627776.

The previous prime is 13144100159. The next prime is 13144100209. The reversal of 13144100202 is 20200144131.

It can be written as a sum of positive squares in 2 ways, for example, as 13128347241 + 15752961 = 114579^2 + 3969^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13144100209) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 71824 + ... + 177332.

Almost surely, 213144100202 is an apocalyptic number.

13144100202 is an abundant number, since it is smaller than the sum of its proper divisors (16346999898).

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

13144100202 is a wasteful number, since it uses less digits than its factorization.

13144100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106292 (or 106283 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 13144100202 its reverse (20200144131), we get a palindrome (33344244333).

The spelling of 13144100202 in words is "thirteen billion, one hundred forty-four million, one hundred thousand, two hundred two".

Divisors: 1 2 3 6 9 18 27 54 81 162 769 1538 2307 4614 6921 13842 20763 41526 62289 105509 124578 211018 316527 633054 949581 1899162 2848743 5697486 8546229 17092458 81136421 162272842 243409263 486818526 730227789 1460455578 2190683367 4381366734 6572050101 13144100202