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143038579321 = 1113003507211
BaseRepresentation
bin1000010100110111000…
…0111000001001111001
3111200012121022200222001
42011031300320021321
54320420334014241
6145413325101001
713222425602101
oct2051560701171
9450177280861
10143038579321
1155731604820
122387b3b7761
1310647263521
146cccdd8201
153ac2886431
hex214dc38279

143038579321 has 4 divisors (see below), whose sum is σ = 156042086544. Its totient is φ = 130035072100.

The previous prime is 143038579319. The next prime is 143038579337. The reversal of 143038579321 is 123975830341.

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 an emirpimes, since its reverse is a distinct semiprime: 123975830341 = 1111270530031.

It is a cyclic number.

It is not a de Polignac number, because 143038579321 - 21 = 143038579319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143038576321) 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, 6501753595 + ... + 6501753616.

It is an arithmetic number, because the mean of its divisors is an integer number (39010521636).

Almost surely, 2143038579321 is an apocalyptic number.

143038579321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143038579321 is a deficient number, since it is larger than the sum of its proper divisors (13003507223).

143038579321 is a wasteful number, since it uses less digits than its factorization.

143038579321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13003507222.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 143038579321 in words is "one hundred forty-three billion, thirty-eight million, five hundred seventy-nine thousand, three hundred twenty-one".

Divisors: 1 11 13003507211 143038579321