Search a number
-
+
12404143143 = 337173860611
BaseRepresentation
bin10111000110101100…
…00011010000100111
31012000110120202112000
423203112003100213
5200400430040033
65410503500343
7616246322430
oct134326032047
935013522460
1012404143143
1152958a7377
1224a21576b3
131228ac6b92
14859580487
154c8ea1a13
hex2e3583427

12404143143 has 32 divisors (see below), whose sum is σ = 22237125120. Its totient is φ = 6671134080.

The previous prime is 12404143123. The next prime is 12404143151. The reversal of 12404143143 is 34134140421.

12404143143 is a `hidden beast` number, since 1 + 240 + 414 + 3 + 1 + 4 + 3 = 666.

It is not a de Polignac number, because 12404143143 - 26 = 12404143079 is a prime.

It is a super-2 number, since 2×124041431432 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404143123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1927093 + ... + 1933518.

It is an arithmetic number, because the mean of its divisors is an integer number (694910160).

Almost surely, 212404143143 is an apocalyptic number.

12404143143 is a deficient number, since it is larger than the sum of its proper divisors (9832981977).

12404143143 is a wasteful number, since it uses less digits than its factorization.

12404143143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860644 (or 3860638 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 12404143143 its reverse (34134140421), we get a palindrome (46538283564).

The spelling of 12404143143 in words is "twelve billion, four hundred four million, one hundred forty-three thousand, one hundred forty-three".

Divisors: 1 3 7 9 17 21 27 51 63 119 153 189 357 459 1071 3213 3860611 11581833 27024277 34745499 65630387 81072831 104236497 196891161 243218493 459412709 590673483 729655479 1378238127 1772020449 4134714381 12404143143