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30064424321 = 139547215443
BaseRepresentation
bin11011111111111110…
…101011010110000001
32212121020111222221002
4123333332223112001
5443032443034241
621451132541345
72113011250601
oct337776532601
985536458832
1030064424321
1111828646a78
1259b0621855
132ab1830ab9
141652c18c01
15bae60289b
hex6fffab581

30064424321 has 4 divisors (see below), whose sum is σ = 30064779312. Its totient is φ = 30064069332.

The previous prime is 30064424303. The next prime is 30064424329. The reversal of 30064424321 is 12342446003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12342446003 = 15181738053.

It is a cyclic number.

It is not a de Polignac number, because 30064424321 - 226 = 29997315457 is a prime.

It is a super-2 number, since 2×300644243212 (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 (30064424329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31826 + ... + 247268.

It is an arithmetic number, because the mean of its divisors is an integer number (7516194828).

Almost surely, 230064424321 is an apocalyptic number.

It is an amenable number.

30064424321 is a deficient number, since it is larger than the sum of its proper divisors (354991).

30064424321 is a wasteful number, since it uses less digits than its factorization.

30064424321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354990.

The product of its (nonzero) digits is 13824, while the sum is 29.

The spelling of 30064424321 in words is "thirty billion, sixty-four million, four hundred twenty-four thousand, three hundred twenty-one".

Divisors: 1 139547 215443 30064424321