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2430432161 = 3496963989
BaseRepresentation
bin1001000011011101…
…0111001110100001
320021101021202010222
42100313113032201
514434142312121
61041100332425
7114141222023
oct22067271641
96241252128
102430432161
111037a08723
12579b44115
132c96b2551
14190b02013
15e35880ab
hex90dd73a1

2430432161 has 4 divisors (see below), whose sum is σ = 2437396500. Its totient is φ = 2423467824.

The previous prime is 2430432157. The next prime is 2430432163. The reversal of 2430432161 is 1612340342.

2430432161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2139525025 + 290907136 = 46255^2 + 17056^2 .

It is a cyclic number.

It is not a de Polignac number, because 2430432161 - 22 = 2430432157 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 2430432161.

It is not an unprimeable number, because it can be changed into a prime (2430432163) 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, 3481646 + ... + 3482343.

It is an arithmetic number, because the mean of its divisors is an integer number (609349125).

Almost surely, 22430432161 is an apocalyptic number.

It is an amenable number.

2430432161 is a deficient number, since it is larger than the sum of its proper divisors (6964339).

2430432161 is an equidigital number, since it uses as much as digits as its factorization.

2430432161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964338.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2430432161 is about 49299.4133940760. The cubic root of 2430432161 is about 1344.5011183523.

It can be divided in two parts, 24304 and 32161, that added together give a palindrome (56465).

The spelling of 2430432161 in words is "two billion, four hundred thirty million, four hundred thirty-two thousand, one hundred sixty-one".

Divisors: 1 349 6963989 2430432161