30047742100 has 36 divisors (see below), whose sum is σ = 66719972704. Its totient is φ = 11739581280.

The previous prime is 30047742091. The next prime is 30047742103. The reversal of 30047742100 is 124774003.

It is a super-2 number, since 2×30047742100² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30047742103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3489624 + ... + 3498223.

Almost surely, 2^30047742100 is an apocalyptic number.

It is an amenable number.

30047742100 is an abundant number, since it is smaller than the sum of its proper divisors (36672230604).

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

30047742100 is a wasteful number, since it uses less digits than its factorization.

30047742100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6987904 (or 6987897 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The spelling of 30047742100 in words is "thirty billion, forty-seven million, seven hundred forty-two thousand, one hundred".