101993950 has 12 divisors (see below), whose sum is σ = 189708840. Its totient is φ = 40797560.

The previous prime is 101993923. The next prime is 101993959. The reversal of 101993950 is 59399101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101993959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1019890 + ... + 1019989.

It is an arithmetic number, because the mean of its divisors is an integer number (15809070).

Almost surely, 2^101993950 is an apocalyptic number.

101993950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101993950 is a deficient number, since it is larger than the sum of its proper divisors (87714890).

101993950 is a wasteful number, since it uses less digits than its factorization.

101993950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039891 (or 2039886 counting only the distinct ones).

The product of its (nonzero) digits is 10935, while the sum is 37.

The square root of 101993950 is about 10099.2054142888. The cubic root of 101993950 is about 467.2236348788.

The spelling of 101993950 in words is "one hundred one million, nine hundred ninety-three thousand, nine hundred fifty".