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30064732537 = 74294961791
BaseRepresentation
bin11011111111111111…
…110110100101111001
32212121021002122201111
4123333333312211321
5443033032420122
621451143320321
72113014003310
oct337777664571
985537078644
1030064732537
11118288375a4
1259b07500a1
132ab190b188
141652c99277
15bae663d77
hex6ffff6979

30064732537 has 4 divisors (see below), whose sum is σ = 34359694336. Its totient is φ = 25769770740.

The previous prime is 30064732531. The next prime is 30064732541. The reversal of 30064732537 is 73523746003.

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.

It is not a de Polignac number, because 30064732537 - 231 = 27917248889 is a prime.

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 30064732537.

It is not an unprimeable number, because it can be changed into a prime (30064732531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2147480889 + ... + 2147480902.

It is an arithmetic number, because the mean of its divisors is an integer number (8589923584).

Almost surely, 230064732537 is an apocalyptic number.

It is an amenable number.

30064732537 is a deficient number, since it is larger than the sum of its proper divisors (4294961799).

30064732537 is an equidigital number, since it uses as much as digits as its factorization.

30064732537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294961798.

The product of its (nonzero) digits is 317520, while the sum is 40.

The spelling of 30064732537 in words is "thirty billion, sixty-four million, seven hundred thirty-two thousand, five hundred thirty-seven".

Divisors: 1 7 4294961791 30064732537