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2321144069 = 2932779147
BaseRepresentation
bin1000101001011001…
…1101100100000101
312222202122100001212
42022112131210011
514223203102234
61022154101205
7111343253606
oct21226354405
95882570055
102321144069
11a91252992
1254941a805
132acb6923a
141803b3dad
15d8b9b5ce
hex8a59d905

2321144069 has 4 divisors (see below), whose sum is σ = 2321252544. Its totient is φ = 2321035596.

The previous prime is 2321144027. The next prime is 2321144081. The reversal of 2321144069 is 9604411232.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2321144069 - 28 = 2321143813 is a prime.

It is a super-2 number, since 2×23211440692 = 10775419578107753522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321144269) 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, 10247 + ... + 68900.

It is an arithmetic number, because the mean of its divisors is an integer number (580313136).

Almost surely, 22321144069 is an apocalyptic number.

It is an amenable number.

2321144069 is a deficient number, since it is larger than the sum of its proper divisors (108475).

2321144069 is an equidigital number, since it uses as much as digits as its factorization.

2321144069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108474.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2321144069 is about 48178.2530712769. The cubic root of 2321144069 is about 1324.0387605673.

The spelling of 2321144069 in words is "two billion, three hundred twenty-one million, one hundred forty-four thousand, sixty-nine".

Divisors: 1 29327 79147 2321144069