10101993 has 8 divisors (see below), whose sum is σ = 14693856. Its totient is φ = 6122400.

The previous prime is 10101979. The next prime is 10102003. The reversal of 10101993 is 39910101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10101993 - 2⁶ = 10101929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10101953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153028 + ... + 153093.

It is an arithmetic number, because the mean of its divisors is an integer number (1836732).

Almost surely, 2^10101993 is an apocalyptic number.

It is an amenable number.

10101993 is a deficient number, since it is larger than the sum of its proper divisors (4591863).

10101993 is a wasteful number, since it uses less digits than its factorization.

10101993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306135.

The product of its (nonzero) digits is 243, while the sum is 24.

The square root of 10101993 is about 3178.3632580308. The cubic root of 10101993 is about 216.1734503578.

It can be divided in two parts, 1010 and 1993, that added together give a palindrome (3003).

The spelling of 10101993 in words is "ten million, one hundred one thousand, nine hundred ninety-three".