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12346128082 = 26173064041
BaseRepresentation
bin10110111111110001…
…01111011011010010
31011212102102021211001
423133320233123102
5200241102044312
65401032212214
7614643233341
oct133770573322
934772367731
1012346128082
115266081842
12248683a06a
131219a93542
1485199bb58
154c3d42057
hex2dfe2f6d2

12346128082 has 4 divisors (see below), whose sum is σ = 18519192126. Its totient is φ = 6173064040.

The previous prime is 12346128079. The next prime is 12346128083. The reversal of 12346128082 is 28082164321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28082164321 = 53529852157.

It can be written as a sum of positive squares in only one way, i.e., 11828520081 + 517608001 = 108759^2 + 22751^2 .

It is not an unprimeable number, because it can be changed into a prime (12346128083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3086532019 + ... + 3086532022.

Almost surely, 212346128082 is an apocalyptic number.

12346128082 is a deficient number, since it is larger than the sum of its proper divisors (6173064044).

12346128082 is an equidigital number, since it uses as much as digits as its factorization.

12346128082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6173064043.

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 12346128082 in words is "twelve billion, three hundred forty-six million, one hundred twenty-eight thousand, eighty-two".

Divisors: 1 2 6173064041 12346128082