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30649922812 = 2217450734159
BaseRepresentation
bin11100100010111000…
…001011010011111100
32221010001020101212101
4130202320023103330
51000232340012222
622025210114444
72133351021355
oct344270132374
987101211771
1030649922812
1111aa909a723
125b3471ba24
132b75c1cc02
1416aa8a8d2c
15be5c08927
hex722e0b4fc

30649922812 has 12 divisors (see below), whose sum is σ = 56792504160. Its totient is φ = 14423493056.

The previous prime is 30649922777. The next prime is 30649922819. The reversal of 30649922812 is 21822994603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30649922819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225367012 + ... + 225367147.

It is an arithmetic number, because the mean of its divisors is an integer number (4732708680).

Almost surely, 230649922812 is an apocalyptic number.

It is an amenable number.

30649922812 is a deficient number, since it is larger than the sum of its proper divisors (26142581348).

30649922812 is a wasteful number, since it uses less digits than its factorization.

30649922812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450734180 (or 450734178 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 30649922812 in words is "thirty billion, six hundred forty-nine million, nine hundred twenty-two thousand, eight hundred twelve".

Divisors: 1 2 4 17 34 68 450734159 901468318 1802936636 7662480703 15324961406 30649922812