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1144120012 = 22728876581
BaseRepresentation
bin100010000110001…
…1110001011001100
32221201212022121021
41010030132023030
54320343320022
6305310243524
740231600600
oct10414361314
92851768537
101144120012
1153790a332
1227b1b65a4
1315305a8b9
14abd45500
156a69d7c7
hex4431e2cc

1144120012 has 36 divisors (see below), whose sum is σ = 2332081584. Its totient is φ = 489709920.

The previous prime is 1144120001. The next prime is 1144120037. The reversal of 1144120012 is 2100214411.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170562 + ... + 177142.

It is an arithmetic number, because the mean of its divisors is an integer number (64780044).

Almost surely, 21144120012 is an apocalyptic number.

It is an amenable number.

1144120012 is an abundant number, since it is smaller than the sum of its proper divisors (1187961572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144120012 is a wasteful number, since it uses less digits than its factorization.

1144120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486 (or 7477 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1144120012 is about 33824.8431186310. The cubic root of 1144120012 is about 1045.9008774113.

Adding to 1144120012 its reverse (2100214411), we get a palindrome (3244334423).

The spelling of 1144120012 in words is "one billion, one hundred forty-four million, one hundred twenty thousand, twelve".

Divisors: 1 2 4 7 14 28 49 98 196 887 1774 3548 6209 6581 12418 13162 24836 26324 43463 46067 86926 92134 173852 184268 322469 644938 1289876 5837347 11674694 23349388 40861429 81722858 163445716 286030003 572060006 1144120012