101989836000 has 576 divisors, whose sum is σ = 391509780480. Its totient is φ = 24995635200.

The previous prime is 101989835977. The next prime is 101989836019. The reversal of 101989836000 is 638989101.

101989836000 is a `hidden beast` number, since 10 + 198 + 98 + 360 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 95 ways as a sum of consecutive naturals, for example, 179243716 + ... + 179244284.

It is an arithmetic number, because the mean of its divisors is an integer number (679704480).

Almost surely, 2^101989836000 is an apocalyptic number.

101989836000 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 101989836000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195754890240).

101989836000 is an abundant number, since it is smaller than the sum of its proper divisors (289519944480).

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

101989836000 is a wasteful number, since it uses less digits than its factorization.

101989836000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 101989836000 in words is "one hundred one billion, nine hundred eighty-nine million, eight hundred thirty-six thousand".