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30723047016 = 2331280126959
BaseRepresentation
bin11100100111001111…
…000111111001101000
32221022010211111102020
4130213033013321220
51000410100001031
622040341304440
72135226406434
oct344717077150
987263744366
1030723047016
11120363a4a52
125b55105120
132b8811377c
1416b64a19c4
15bec350096
hex7273c7e68

30723047016 has 16 divisors (see below), whose sum is σ = 76807617600. Its totient is φ = 10241015664.

The previous prime is 30723047009. The next prime is 30723047057. The reversal of 30723047016 is 61074032703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640063456 + ... + 640063503.

It is an arithmetic number, because the mean of its divisors is an integer number (4800476100).

Almost surely, 230723047016 is an apocalyptic number.

It is an amenable number.

30723047016 is an abundant number, since it is smaller than the sum of its proper divisors (46084570584).

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

30723047016 is a wasteful number, since it uses less digits than its factorization.

30723047016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280126968 (or 1280126964 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

Adding to 30723047016 its reverse (61074032703), we get a palindrome (91797079719).

The spelling of 30723047016 in words is "thirty billion, seven hundred twenty-three million, forty-seven thousand, sixteen".

Divisors: 1 2 3 4 6 8 12 24 1280126959 2560253918 3840380877 5120507836 7680761754 10241015672 15361523508 30723047016