102705030268828 has 24 divisors (see below), whose sum is σ = 193559844259152. Its totient is φ = 47402232486144.

The previous prime is 102705030268823. The next prime is 102705030268849. The reversal of 102705030268828 is 828862030507201.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102705030268823) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31885851 + ... + 34958797.

It is an arithmetic number, because the mean of its divisors is an integer number (8064993510798).

Almost surely, 2^{102705030268828} is an apocalyptic number.

It is an amenable number.

102705030268828 is a deficient number, since it is larger than the sum of its proper divisors (90854813990324).

102705030268828 is a wasteful number, since it uses less digits than its factorization.

102705030268828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715701 (or 3715699 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 102705030268828 in words is "one hundred two trillion, seven hundred five billion, thirty million, two hundred sixty-eight thousand, eight hundred twenty-eight".