15312942870 has 16 divisors (see below), whose sum is σ = 36751062960. Its totient is φ = 4083451424.

The previous prime is 15312942839. The next prime is 15312942907. The reversal of 15312942870 is 7824921351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255215685 + ... + 255215744.

It is an arithmetic number, because the mean of its divisors is an integer number (2296941435).

Almost surely, 2^15312942870 is an apocalyptic number.

15312942870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15312942870 is an abundant number, since it is smaller than the sum of its proper divisors (21438120090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15312942870 is a wasteful number, since it uses less digits than its factorization.

15312942870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510431439.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 15312942870 in words is "fifteen billion, three hundred twelve million, nine hundred forty-two thousand, eight hundred seventy".