102051254280 has 64 divisors (see below), whose sum is σ = 309015051840. Its totient is φ = 26959331072.

The previous prime is 102051254267. The next prime is 102051254287. The reversal of 102051254280 is 82452150201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (102051254287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3961119 + ... + 3986798.

It is an arithmetic number, because the mean of its divisors is an integer number (4828360185).

Almost surely, 2^102051254280 is an apocalyptic number.

102051254280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102051254280 is an abundant number, since it is smaller than the sum of its proper divisors (206963797560).

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

102051254280 is a wasteful number, since it uses less digits than its factorization.

102051254280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7948038 (or 7948034 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The spelling of 102051254280 in words is "one hundred two billion, fifty-one million, two hundred fifty-four thousand, two hundred eighty".