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2143353011 = 10132115847
BaseRepresentation
bin111111111000000…
…1111100010110011
312112101002121120212
41333300033202303
513342144244021
6552403254335
7104054125412
oct17760174263
95471077525
102143353011
119aa959928
124b997a3ab
13282089927
14164933479
15c827c85b
hex7fc0f8b3

2143353011 has 4 divisors (see below), whose sum is σ = 2145469872. Its totient is φ = 2141236152.

The previous prime is 2143352999. The next prime is 2143353089. The reversal of 2143353011 is 1103533412.

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

It is a cyclic number.

It is not a de Polignac number, because 2143353011 - 26 = 2143352947 is a prime.

It is a super-2 number, since 2×21433530112 = 9187924259525532242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143353811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056911 + ... + 1058936.

It is an arithmetic number, because the mean of its divisors is an integer number (536367468).

Almost surely, 22143353011 is an apocalyptic number.

2143353011 is a deficient number, since it is larger than the sum of its proper divisors (2116861).

2143353011 is a wasteful number, since it uses less digits than its factorization.

2143353011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116860.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2143353011 is about 46296.3606669034. The cubic root of 2143353011 is about 1289.3314266864.

Adding to 2143353011 its reverse (1103533412), we get a palindrome (3246886423).

The spelling of 2143353011 in words is "two billion, one hundred forty-three million, three hundred fifty-three thousand, eleven".

Divisors: 1 1013 2115847 2143353011