100282421828 has 6 divisors (see below), whose sum is σ = 175494238206. Its totient is φ = 50141210912.

The previous prime is 100282421791. The next prime is 100282421839. The reversal of 100282421828 is 828124282001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 55470612484 + 44811809344 = 235522^2 + 211688^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100282421791 and 100282421800.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12535302725 + ... + 12535302732.

It is an arithmetic number, because the mean of its divisors is an integer number (29249039701).

Almost surely, 2^100282421828 is an apocalyptic number.

It is an amenable number.

100282421828 is a deficient number, since it is larger than the sum of its proper divisors (75211816378).

100282421828 is a wasteful number, since it uses less digits than its factorization.

100282421828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25070605461 (or 25070605459 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 38.

The spelling of 100282421828 in words is "one hundred billion, two hundred eighty-two million, four hundred twenty-one thousand, eight hundred twenty-eight".