101693880 has 80 divisors (see below), whose sum is σ = 341815320. Its totient is φ = 27117504.

The previous prime is 101693863. The next prime is 101693887. The reversal of 101693880 is 88396101.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101693887) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12454 + ... + 18933.

Almost surely, 2^101693880 is an apocalyptic number.

101693880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101693880 is an abundant number, since it is smaller than the sum of its proper divisors (240121440).

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

101693880 is a wasteful number, since it uses less digits than its factorization.

101693880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31410 (or 31397 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 101693880 is about 10084.3383521181. The cubic root of 101693880 is about 466.7649883535.

The spelling of 101693880 in words is "one hundred one million, six hundred ninety-three thousand, eight hundred eighty".