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1144840712 = 23143105089
BaseRepresentation
bin100010000111100…
…1110001000001000
32221210012221012212
41010033032020020
54321034400322
6305333524252
740240662011
oct10417161010
92853187185
101144840712
11538261854
1227b4a3688
13153250952
14ac092008
156a7920e2
hex443ce208

1144840712 has 8 divisors (see below), whose sum is σ = 2146576350. Its totient is φ = 572420352.

The previous prime is 1144840699. The next prime is 1144840721. The reversal of 1144840712 is 2170484411.

It can be written as a sum of positive squares in only one way, i.e., 1115960836 + 28879876 = 33406^2 + 5374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71552537 + ... + 71552552.

Almost surely, 21144840712 is an apocalyptic number.

It is an amenable number.

1144840712 is a deficient number, since it is larger than the sum of its proper divisors (1001735638).

1144840712 is a wasteful number, since it uses less digits than its factorization.

1144840712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143105095 (or 143105091 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 1144840712 is about 33835.4948537774. The cubic root of 1144840712 is about 1046.1204413664.

The spelling of 1144840712 in words is "one billion, one hundred forty-four million, eight hundred forty thousand, seven hundred twelve".

Divisors: 1 2 4 8 143105089 286210178 572420356 1144840712