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30312332032 = 28118407547
BaseRepresentation
bin11100001110110000…
…010111101100000000
32220020112000000101011
4130032300113230000
5444034424111112
621531510250304
72122111366603
oct341660275400
986215000334
1030312332032
1111945580784
125a5b656994
132b20cc0058
141677b0c33a
15bc6271aa7
hex70ec17b00

30312332032 has 18 divisors (see below), whose sum is σ = 60506257028. Its totient is φ = 15156165888.

The previous prime is 30312331993. The next prime is 30312332047. The reversal of 30312332032 is 23023321303.

It is a junction number, because it is equal to n+sod(n) for n = 30312331994 and 30312332012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59203518 + ... + 59204029.

Almost surely, 230312332032 is an apocalyptic number.

30312332032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30312332032 is a deficient number, since it is larger than the sum of its proper divisors (30193924996).

30312332032 is an equidigital number, since it uses as much as digits as its factorization.

30312332032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118407563 (or 118407549 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 30312332032 its reverse (23023321303), we get a palindrome (53335653335).

The spelling of 30312332032 in words is "thirty billion, three hundred twelve million, three hundred thirty-two thousand, thirty-two".

Divisors: 1 2 4 8 16 32 64 128 256 118407547 236815094 473630188 947260376 1894520752 3789041504 7578083008 15156166016 30312332032