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30727005644 = 2237613403523
BaseRepresentation
bin11100100111011110…
…001110010111001100
32221022102021121122002
4130213132032113030
51000412103140034
622041002211432
72135305144556
oct344736162714
987272247562
1030727005644
1112038659145
125b564b3b78
132b88b9b55a
1416b6c124d6
15bec882e7e
hex72778e5cc

30727005644 has 24 divisors (see below), whose sum is σ = 56130917808. Its totient is φ = 14703215040.

The previous prime is 30727005587. The next prime is 30727005671. The reversal of 30727005644 is 44650072703.

It is a junction number, because it is equal to n+sod(n) for n = 30727005598 and 30727005607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1692734 + ... + 1710789.

It is an arithmetic number, because the mean of its divisors is an integer number (2338788242).

Almost surely, 230727005644 is an apocalyptic number.

It is an amenable number.

30727005644 is a deficient number, since it is larger than the sum of its proper divisors (25403912164).

30727005644 is a wasteful number, since it uses less digits than its factorization.

30727005644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403625 (or 3403623 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 30727005644 in words is "thirty billion, seven hundred twenty-seven million, five thousand, six hundred forty-four".

Divisors: 1 2 4 37 61 74 122 148 244 2257 4514 9028 3403523 6807046 13614092 125930351 207614903 251860702 415229806 503721404 830459612 7681751411 15363502822 30727005644