Search a number
-
+
30056131547 = 1326310198627
BaseRepresentation
bin11011111111011111…
…000010101111011011
32212120122220200101022
4123333133002233123
5443023332202142
621450235113055
72112550621451
oct337737025733
985518820338
1030056131547
11118239a2542
1259a98a278b
132aacbb9330
141651a9a9d1
15bada156d2
hex6ff7c2bdb

30056131547 has 16 divisors (see below), whose sum is σ = 32526869760. Its totient is φ = 27608306592.

The previous prime is 30056131537. The next prime is 30056131577. The reversal of 30056131547 is 74513165003.

It is a cyclic number.

It is not a de Polignac number, because 30056131547 - 214 = 30056115163 is a prime.

It is a super-2 number, since 2×300561315472 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30056131537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3479648 + ... + 3488274.

It is an arithmetic number, because the mean of its divisors is an integer number (2032929360).

Almost surely, 230056131547 is an apocalyptic number.

30056131547 is a deficient number, since it is larger than the sum of its proper divisors (2470738213).

30056131547 is a wasteful number, since it uses less digits than its factorization.

30056131547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9922.

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 30056131547 in words is "thirty billion, fifty-six million, one hundred thirty-one thousand, five hundred forty-seven".

Divisors: 1 13 263 1019 3419 8627 13247 112151 267997 2268901 3483961 8790913 29495713 114281869 2312010119 30056131547