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143000001443 = 1397887127849
BaseRepresentation
bin1000010100101101110…
…1101101101110100011
3111200002220201202001202
42011023131231232203
54320331000021233
6145405430151415
713221446646125
oct2051335555643
9450086652052
10143000001443
1155711855682
122386a4b256b
131063c277090
146cc7c35215
153abe2b5be8
hex214b76dba3

143000001443 has 16 divisors (see below), whose sum is σ = 155764257600. Its totient is φ = 130490873856.

The previous prime is 143000001439. The next prime is 143000001449. The reversal of 143000001443 is 344100000341.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 143000001443 - 22 = 143000001439 is a prime.

It is a Duffinian number.

143000001443 is a modest number, since divided by 1443 gives 143 as remainder.

It is not an unprimeable number, because it can be changed into a prime (143000001449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054583 + ... + 1182431.

It is an arithmetic number, because the mean of its divisors is an integer number (9735266100).

Almost surely, 2143000001443 is an apocalyptic number.

143000001443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

143000001443 is a deficient number, since it is larger than the sum of its proper divisors (12764256157).

143000001443 is a wasteful number, since it uses less digits than its factorization.

143000001443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128846.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 143000001443 its reverse (344100000341), we get a palindrome (487100001784).

The spelling of 143000001443 in words is "one hundred forty-three billion, one thousand, four hundred forty-three".

Divisors: 1 13 97 887 1261 11531 86039 127849 1118507 1662037 12401353 113402063 161217589 1474226819 11000000111 143000001443