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30432216404761 = 51975855727613
BaseRepresentation
bin1101110101101100011010…
…11100101101001100011001
310222202021212111010001121021
412322312031130231030121
512442100134344423021
6144420211152442441
76260440456251433
oct672661534551431
9128667774101537
1030432216404761
119773259881156
1234b5b73849421
1313c9990398b92
14772cda0a5653
1537b929ba8c41
hex1bad8d72d319

30432216404761 has 4 divisors (see below), whose sum is σ = 30438072137572. Its totient is φ = 30426360671952.

The previous prime is 30432216404753. The next prime is 30432216404833. The reversal of 30432216404761 is 16740461223403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4779662827536 + 25652553577225 = 2186244^2 + 5064835^2 .

It is a cyclic number.

It is not a de Polignac number, because 30432216404761 - 23 = 30432216404753 is a prime.

It is a super-2 number, since 2×304322164047612 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30432256404761) 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, 2927858610 + ... + 2927869003.

It is an arithmetic number, because the mean of its divisors is an integer number (7609518034393).

Almost surely, 230432216404761 is an apocalyptic number.

It is an amenable number.

30432216404761 is a deficient number, since it is larger than the sum of its proper divisors (5855732811).

30432216404761 is an equidigital number, since it uses as much as digits as its factorization.

30432216404761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855732810.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 30432216404761 in words is "thirty trillion, four hundred thirty-two billion, two hundred sixteen million, four hundred four thousand, seven hundred sixty-one".

Divisors: 1 5197 5855727613 30432216404761