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30006885441 = 313769407319
BaseRepresentation
bin11011111100100011…
…001011110001000001
32212110020020201102110
4123330203023301001
5442423230313231
621441315405533
72111412214011
oct337443136101
985406221373
1030006885441
11117a9117185
1259952b38a9
132aa2936120
14164931bc41
15ba9539046
hex6fc8cbc41

30006885441 has 8 divisors (see below), whose sum is σ = 43086809920. Its totient is φ = 18465775632.

The previous prime is 30006885409. The next prime is 30006885449. The reversal of 30006885441 is 14458860003.

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

It is not a de Polignac number, because 30006885441 - 25 = 30006885409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 769407319 = 30006885441 / (3 + 0 + 0 + 0 + 6 + 8 + 8 + 5 + 4 + 4 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30006885441.

It is not an unprimeable number, because it can be changed into a prime (30006885449) 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, 384703621 + ... + 384703698.

It is an arithmetic number, because the mean of its divisors is an integer number (5385851240).

Almost surely, 230006885441 is an apocalyptic number.

It is an amenable number.

30006885441 is a deficient number, since it is larger than the sum of its proper divisors (13079924479).

30006885441 is a wasteful number, since it uses less digits than its factorization.

30006885441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769407335.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 30006885441 in words is "thirty billion, six million, eight hundred eighty-five thousand, four hundred forty-one".

Divisors: 1 3 13 39 769407319 2308221957 10002295147 30006885441