102630517830 has 96 divisors (see below), whose sum is σ = 277385472000. Its totient is φ = 27302549472.

The previous prime is 102630517799. The next prime is 102630517831. The reversal of 102630517830 is 38715036201.

102630517830 is a `hidden beast` number, since 1 + 0 + 2 + 63 + 0 + 517 + 83 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102630517831) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 967771 + ... + 1068569.

It is an arithmetic number, because the mean of its divisors is an integer number (2889432000).

Almost surely, 2^102630517830 is an apocalyptic number.

102630517830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102630517830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138692736000).

102630517830 is an abundant number, since it is smaller than the sum of its proper divisors (174754954170).

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

102630517830 is a wasteful number, since it uses less digits than its factorization.

102630517830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101240 (or 101228 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 102630517830 in words is "one hundred two billion, six hundred thirty million, five hundred seventeen thousand, eight hundred thirty".