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30075125409 = 327477382943
BaseRepresentation
bin11100000000100111…
…011111111010100001
32212121222122200001200
4130000213133322201
5443043213003114
621452154151413
72113201230240
oct340047377241
985558580050
1030075125409
111183369594a
1259b4122569
132ab3b097c4
141654402957
15bb0518409
hex7009dfea1

30075125409 has 12 divisors (see below), whose sum is σ = 49647826176. Its totient is φ = 17185785912.

The previous prime is 30075125401. The next prime is 30075125411. The reversal of 30075125409 is 90452157003.

30075125409 is a `hidden beast` number, since 30 + 0 + 75 + 12 + 540 + 9 = 666.

It is not a de Polignac number, because 30075125409 - 23 = 30075125401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30075125401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238691409 + ... + 238691534.

It is an arithmetic number, because the mean of its divisors is an integer number (4137318848).

Almost surely, 230075125409 is an apocalyptic number.

It is an amenable number.

30075125409 is a deficient number, since it is larger than the sum of its proper divisors (19572700767).

30075125409 is a wasteful number, since it uses less digits than its factorization.

30075125409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477382956 (or 477382953 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 30075125409 in words is "thirty billion, seventy-five million, one hundred twenty-five thousand, four hundred nine".

Divisors: 1 3 7 9 21 63 477382943 1432148829 3341680601 4296446487 10025041803 30075125409