103005778530 has 32 divisors (see below), whose sum is σ = 257962299264. Its totient is φ = 26273937536.

The previous prime is 103005778517. The next prime is 103005778537. The reversal of 103005778530 is 35877500301.

It is a super-2 number, since 2×103005778530² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103005778537) 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, 74641179 + ... + 74642558.

It is an arithmetic number, because the mean of its divisors is an integer number (8061321852).

Almost surely, 2^103005778530 is an apocalyptic number.

103005778530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103005778530 is an abundant number, since it is smaller than the sum of its proper divisors (154956520734).

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

103005778530 is a wasteful number, since it uses less digits than its factorization.

103005778530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149283770.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 103005778530 in words is "one hundred three billion, five million, seven hundred seventy-eight thousand, five hundred thirty".