30305742593950 has 24 divisors (see below), whose sum is σ = 56415151808568. Its totient is φ = 12112303363680.

The previous prime is 30305742593939. The next prime is 30305742593983. The reversal of 30305742593950 is 5939524750303.

It is a super-3 number, since 3×30305742593950³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30305742593891 and 30305742593900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249780592 + ... + 249901891.

It is an arithmetic number, because the mean of its divisors is an integer number (2350631325357).

Almost surely, 2^{30305742593950} is an apocalyptic number.

30305742593950 is a deficient number, since it is larger than the sum of its proper divisors (26109409214618).

30305742593950 is a wasteful number, since it uses less digits than its factorization.

30305742593950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499683708 (or 499683703 counting only the distinct ones).

The product of its (nonzero) digits is 15309000, while the sum is 55.

The spelling of 30305742593950 in words is "thirty trillion, three hundred five billion, seven hundred forty-two million, five hundred ninety-three thousand, nine hundred fifty".