30137580050 has 18 divisors (see below), whose sum is σ = 56058182229. Its totient is φ = 12054541000.

The previous prime is 30137580049. The next prime is 30137580079. The reversal of 30137580050 is 5008573103.

It can be written as a sum of positive squares in 2 ways, for example, as 29534828449 + 602751601 = 171857^2 + 24551^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=122755.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30137579989 and 30137580016.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1215275 + ... + 1239825.

Almost surely, 2^30137580050 is an apocalyptic number.

30137580050 is a deficient number, since it is larger than the sum of its proper divisors (25920602179).

30137580050 is an frugal number, since it uses more digits than its factorization.

30137580050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49114 (or 24558 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

Multiplying 30137580050 by its sum of digits (32), we get a square (964402561600 = 982040²).

The spelling of 30137580050 in words is "thirty billion, one hundred thirty-seven million, five hundred eighty thousand, fifty".