210128300294 has 48 divisors (see below), whose sum is σ = 371336011200. Its totient is φ = 88381404720.

The previous prime is 210128300281. The next prime is 210128300303. The reversal of 210128300294 is 492003821012.

210128300294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×210128300294⁵ (a number of 58 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210128300294.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33857 + ... + 649155.

It is an arithmetic number, because the mean of its divisors is an integer number (7736166900).

Almost surely, 2^210128300294 is an apocalyptic number.

210128300294 is a deficient number, since it is larger than the sum of its proper divisors (161207710906).

210128300294 is a wasteful number, since it uses less digits than its factorization.

210128300294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615393 (or 615374 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 210128300294 in words is "two hundred ten billion, one hundred twenty-eight million, three hundred thousand, two hundred ninety-four".