30268307870 has 16 divisors (see below), whose sum is σ = 54843771168. Its totient is φ = 12027141600.

The previous prime is 30268307821. The next prime is 30268307879. The reversal of 30268307870 is 7870386203.

It is a super-2 number, since 2×30268307870² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30268307879) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10021109 + ... + 10024128.

It is an arithmetic number, because the mean of its divisors is an integer number (3427735698).

Almost surely, 2^30268307870 is an apocalyptic number.

30268307870 is a deficient number, since it is larger than the sum of its proper divisors (24575463298).

30268307870 is a wasteful number, since it uses less digits than its factorization.

30268307870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20045395.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 30268307870 in words is "thirty billion, two hundred sixty-eight million, three hundred seven thousand, eight hundred seventy".