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12180616142 = 227972177443
BaseRepresentation
bin10110101100000010…
…10111001111001110
31011102212222102010012
423112001113033032
5144421214204032
65332400513222
7610563346262
oct132601271716
934385872105
1012180616142
115190705212
12243b31b812
1311c16c2c96
148379d60a2
154b454b6b2
hex2d60573ce

12180616142 has 8 divisors (see below), whose sum is σ = 18277464936. Its totient is φ = 6088127832.

The previous prime is 12180616111. The next prime is 12180616199. The reversal of 12180616142 is 24161608121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12180616099 and 12180616108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083128 + ... + 1094315.

It is an arithmetic number, because the mean of its divisors is an integer number (2284683117).

Almost surely, 212180616142 is an apocalyptic number.

12180616142 is a deficient number, since it is larger than the sum of its proper divisors (6096848794).

12180616142 is a wasteful number, since it uses less digits than its factorization.

12180616142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180242.

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 12180616142 in words is "twelve billion, one hundred eighty million, six hundred sixteen thousand, one hundred forty-two".

Divisors: 1 2 2797 5594 2177443 4354886 6090308071 12180616142