15983012242 has 8 divisors (see below), whose sum is σ = 24113099916. Its totient is φ = 7945312272.

The previous prime is 15983012239. The next prime is 15983012261. The reversal of 15983012242 is 24221038951.

15983012242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13794737401 + 2188274841 = 117451^2 + 46779^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23096493 + ... + 23097184.

Almost surely, 2^15983012242 is an apocalyptic number.

15983012242 is a deficient number, since it is larger than the sum of its proper divisors (8130087674).

15983012242 is a wasteful number, since it uses less digits than its factorization.

15983012242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46193852.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 15983012242 in words is "fifteen billion, nine hundred eighty-three million, twelve thousand, two hundred forty-two".