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4272473761 = 27715424093
BaseRepresentation
bin1111111010101000…
…1100011010100001
3102000202102011011221
43332222030122201
532222223130021
61543541535041
7210606266503
oct37652143241
912022364157
104272473761
1118a2777856
129b2a14481
135312024aa
142c75ddd73
151a0148241
hexfea8c6a1

4272473761 has 4 divisors (see below), whose sum is σ = 4287898132. Its totient is φ = 4257049392.

The previous prime is 4272473743. The next prime is 4272473783. The reversal of 4272473761 is 1673742724.

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 1412256400 + 2860217361 = 37580^2 + 53481^2 .

It is a cyclic number.

It is not a de Polignac number, because 4272473761 - 25 = 4272473729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4272473791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7711770 + ... + 7712323.

It is an arithmetic number, because the mean of its divisors is an integer number (1071974533).

Almost surely, 24272473761 is an apocalyptic number.

It is an amenable number.

4272473761 is a deficient number, since it is larger than the sum of its proper divisors (15424371).

4272473761 is a wasteful number, since it uses less digits than its factorization.

4272473761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15424370.

The product of its digits is 395136, while the sum is 43.

The square root of 4272473761 is about 65364.1626657911. The cubic root of 4272473761 is about 1622.6560302557.

The spelling of 4272473761 in words is "four billion, two hundred seventy-two million, four hundred seventy-three thousand, seven hundred sixty-one".

Divisors: 1 277 15424093 4272473761