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30001200628 = 2273529303619
BaseRepresentation
bin11011111100001101…
…011111110111110100
32212102211112220022211
4123330031133313310
5442420301410003
621440553503204
72111312666140
oct337415376764
985384486284
1030001200628
11117a5994093
125993411b04
132aa16c5729
14164867c220
15ba8cb496d
hex6fc35fdf4

30001200628 has 24 divisors (see below), whose sum is σ = 60019601600. Its totient is φ = 12853971648.

The previous prime is 30001200589. The next prime is 30001200629. The reversal of 30001200628 is 82600210003.

It is a junction number, because it is equal to n+sod(n) for n = 30001200599 and 30001200608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30001200629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52998 + ... + 250621.

Almost surely, 230001200628 is an apocalyptic number.

It is an amenable number.

30001200628 is an abundant number, since it is smaller than the sum of its proper divisors (30018400972).

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

30001200628 is a wasteful number, since it uses less digits than its factorization.

30001200628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307159 (or 307157 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 30001200628 in words is "thirty billion, one million, two hundred thousand, six hundred twenty-eight".

Divisors: 1 2 4 7 14 28 3529 7058 14116 24703 49406 98812 303619 607238 1214476 2125333 4250666 8501332 1071471451 2142942902 4285885804 7500300157 15000600314 30001200628