100013197500 has 240 divisors, whose sum is σ = 341070822400. Its totient is φ = 25266168000.

The previous prime is 100013197469. The next prime is 100013197511. The reversal of 100013197500 is 5791310001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1243509 + ... + 1321491.

Almost surely, 2^100013197500 is an apocalyptic number.

100013197500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100013197500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170535411200).

100013197500 is an abundant number, since it is smaller than the sum of its proper divisors (241057624900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100013197500 is a wasteful number, since it uses less digits than its factorization.

100013197500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78035 (or 78012 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The spelling of 100013197500 in words is "one hundred billion, thirteen million, one hundred ninety-seven thousand, five hundred".