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30075125437 = 716992528809
BaseRepresentation
bin11100000000100111…
…011111111010111101
32212121222122200002201
4130000213133322331
5443043213003222
621452154151501
72113201230310
oct340047377275
985558580081
1030075125437
1111833695975
1259b4122591
132ab3b09816
141654402977
15bb0518427
hex7009dfebd

30075125437 has 8 divisors (see below), whose sum is σ = 34391816000. Its totient is φ = 25763495904.

The previous prime is 30075125429. The next prime is 30075125453. The reversal of 30075125437 is 73452157003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30075125437 - 23 = 30075125429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30075125396 and 30075125405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30075125477) 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, 1252512 + ... + 1276297.

It is an arithmetic number, because the mean of its divisors is an integer number (4298977000).

Almost surely, 230075125437 is an apocalyptic number.

It is an amenable number.

30075125437 is a deficient number, since it is larger than the sum of its proper divisors (4316690563).

30075125437 is a wasteful number, since it uses less digits than its factorization.

30075125437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530515.

The product of its (nonzero) digits is 88200, while the sum is 37.

The spelling of 30075125437 in words is "thirty billion, seventy-five million, one hundred twenty-five thousand, four hundred thirty-seven".

Divisors: 1 7 1699 11893 2528809 17701663 4296446491 30075125437