Search a number
-
+
12043455131 = 151117168111
BaseRepresentation
bin10110011011101100…
…01000101010011011
31011002022212220120202
423031312020222123
5144131111031011
65311021012415
7604306452041
oct131566105233
934068786522
1012043455131
115120242104
1224013b410b
13119c16ac16
148236d0391
154a74a623b
hex2cdd88a9b

12043455131 has 8 divisors (see below), whose sum is σ = 12133744128. Its totient is φ = 11953305000.

The previous prime is 12043455091. The next prime is 12043455133. The reversal of 12043455131 is 13155434021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12043455131 - 210 = 12043454107 is a prime.

It is a super-2 number, since 2×120434551312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12043455094 and 12043455103.

It is not an unprimeable number, because it can be changed into a prime (12043455133) 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, 142766 + ... + 210876.

It is an arithmetic number, because the mean of its divisors is an integer number (1516718016).

Almost surely, 212043455131 is an apocalyptic number.

12043455131 is a deficient number, since it is larger than the sum of its proper divisors (90288997).

12043455131 is a wasteful number, since it uses less digits than its factorization.

12043455131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69433.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 12043455131 its reverse (13155434021), we get a palindrome (25198889152).

The spelling of 12043455131 in words is "twelve billion, forty-three million, four hundred fifty-five thousand, one hundred thirty-one".

Divisors: 1 151 1171 68111 176821 10284761 79757981 12043455131