100388537428 has 12 divisors (see below), whose sum is σ = 186014054772. Its totient is φ = 47241664640.

The previous prime is 100388537419. The next prime is 100388537429. The reversal of 100388537428 is 824735883001.

It can be written as a sum of positive squares in 2 ways, for example, as 32829091344 + 67559446084 = 181188^2 + 259922^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100388537429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738150943 + ... + 738151078.

It is an arithmetic number, because the mean of its divisors is an integer number (15501171231).

Almost surely, 2^100388537428 is an apocalyptic number.

It is an amenable number.

100388537428 is a deficient number, since it is larger than the sum of its proper divisors (85625517344).

100388537428 is a wasteful number, since it uses less digits than its factorization.

100388537428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476302042 (or 1476302040 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 100388537428 in words is "one hundred billion, three hundred eighty-eight million, five hundred thirty-seven thousand, four hundred twenty-eight".