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30742923804 = 2232713944309
BaseRepresentation
bin11100101000011010…
…111100101000011100
32221100112020100020120
4130220122330220130
51000430142030204
622042331314540
72135560353315
oct345032745034
987315210216
1030742923804
111204664074a
125b5b8aba50
132b8c282a98
1416b8d9760c
15bede796d9
hex7286bca1c

30742923804 has 24 divisors (see below), whose sum is σ = 71760005520. Its totient is φ = 10243853184.

The previous prime is 30742923793. The next prime is 30742923829. The reversal of 30742923804 is 40832924703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439599 + ... + 504710.

It is an arithmetic number, because the mean of its divisors is an integer number (2990000230).

Almost surely, 230742923804 is an apocalyptic number.

It is an amenable number.

30742923804 is an abundant number, since it is smaller than the sum of its proper divisors (41017081716).

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

30742923804 is a wasteful number, since it uses less digits than its factorization.

30742923804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947029 (or 947027 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 30742923804 in words is "thirty billion, seven hundred forty-two million, nine hundred twenty-three thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 2713 5426 8139 10852 16278 32556 944309 1888618 2832927 3777236 5665854 11331708 2561910317 5123820634 7685730951 10247641268 15371461902 30742923804