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30030327061 = 74290046723
BaseRepresentation
bin11011111101111100…
…100110110100010101
32212111212100200021121
4123331330212310111
5443000230431221
621443514043541
72112115365640
oct337574466425
985455320247
1030030327061
1111810378219
1259a11195b1
132aa7752bc7
14164c4a0a57
15bab619a41
hex6fdf26d15

30030327061 has 4 divisors (see below), whose sum is σ = 34320373792. Its totient is φ = 25740280332.

The previous prime is 30030327053. The next prime is 30030327077. The reversal of 30030327061 is 16072303003.

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 a cyclic number.

It is not a de Polignac number, because 30030327061 - 23 = 30030327053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030327001) 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, 2145023355 + ... + 2145023368.

It is an arithmetic number, because the mean of its divisors is an integer number (8580093448).

Almost surely, 230030327061 is an apocalyptic number.

It is an amenable number.

30030327061 is a deficient number, since it is larger than the sum of its proper divisors (4290046731).

30030327061 is an equidigital number, since it uses as much as digits as its factorization.

30030327061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290046730.

The product of its (nonzero) digits is 2268, while the sum is 25.

The spelling of 30030327061 in words is "thirty billion, thirty million, three hundred twenty-seven thousand, sixty-one".

Divisors: 1 7 4290046723 30030327061