Search a number
-
+
12647112748 = 223161778187
BaseRepresentation
bin10111100011101001…
…11010000000101100
31012122101202220011021
423301310322000230
5201400130101443
65450543303524
7625256453554
oct136164720054
935571686137
1012647112748
1153aaa68aa6
12254b5aaba4
13126724758a
1487d94a164
154e04979ed
hex2f1d3a02c

12647112748 has 6 divisors (see below), whose sum is σ = 22132447316. Its totient is φ = 6323556372.

The previous prime is 12647112739. The next prime is 12647112827. The reversal of 12647112748 is 84721174621.

It is a super-2 number, since 2×126471127482 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580889090 + ... + 1580889097.

Almost surely, 212647112748 is an apocalyptic number.

It is an amenable number.

12647112748 is a deficient number, since it is larger than the sum of its proper divisors (9485334568).

12647112748 is a wasteful number, since it uses less digits than its factorization.

12647112748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161778191 (or 3161778189 counting only the distinct ones).

The product of its digits is 150528, while the sum is 43.

The spelling of 12647112748 in words is "twelve billion, six hundred forty-seven million, one hundred twelve thousand, seven hundred forty-eight".

Divisors: 1 2 4 3161778187 6323556374 12647112748