10100530242 has 48 divisors (see below), whose sum is σ = 23928079968. Its totient is φ = 3053831040.

The previous prime is 10100530241. The next prime is 10100530249. The reversal of 10100530242 is 24203500101.

10100530242 is a `hidden beast` number, since 10 + 100 + 530 + 24 + 2 = 666.

It is a super-2 number, since 2×10100530242² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10100530241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30138 + ... + 145290.

It is an arithmetic number, because the mean of its divisors is an integer number (498501666).

Almost surely, 2^10100530242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10100530242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11964039984).

10100530242 is an abundant number, since it is smaller than the sum of its proper divisors (13827549726).

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

10100530242 is a wasteful number, since it uses less digits than its factorization.

10100530242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115615 (or 115612 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The spelling of 10100530242 in words is "ten billion, one hundred million, five hundred thirty thousand, two hundred forty-two".