Search a number
-
+
30340321408 = 27237033761
BaseRepresentation
bin11100010000011011…
…001001000010000000
32220022110200000120201
4130100123021002000
5444114110241113
621534350214544
72122601322355
oct342033110200
986273600521
1030340321408
111195a3585a1
125a68ab4454
132b26a3cb07
14167b71662c
15bc894ecdd
hex7106c9080

30340321408 has 16 divisors (see below), whose sum is σ = 60443609310. Its totient is φ = 15170160640.

The previous prime is 30340321331. The next prime is 30340321409. The reversal of 30340321408 is 80412304303.

It can be written as a sum of positive squares in only one way, i.e., 24865505344 + 5474816064 = 157688^2 + 73992^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (30340321409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118516753 + ... + 118517008.

Almost surely, 230340321408 is an apocalyptic number.

It is an amenable number.

30340321408 is a deficient number, since it is larger than the sum of its proper divisors (30103287902).

30340321408 is an equidigital number, since it uses as much as digits as its factorization.

30340321408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237033775 (or 237033763 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 30340321408 in words is "thirty billion, three hundred forty million, three hundred twenty-one thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 64 128 237033761 474067522 948135044 1896270088 3792540176 7585080352 15170160704 30340321408