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1143210412 = 22316990187
BaseRepresentation
bin100010000100100…
…0000000110101100
32221200011002212101
41010021000012230
54320130213122
6305234544444
740221061651
oct10411000654
92850132771
101143210412
115373489a3
1227aa38124
13152acc886
14abb89c28
156a56e027
hex442401ac

1143210412 has 12 divisors (see below), whose sum is σ = 2001271720. Its totient is φ = 571418496.

The previous prime is 1143210403. The next prime is 1143210413. The reversal of 1143210412 is 2140123411.

It is a super-2 number, since 2×11432104122 = 2613860092210419488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1143210412.

It is not an unprimeable number, because it can be changed into a prime (1143210413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32418 + ... + 57769.

Almost surely, 21143210412 is an apocalyptic number.

It is an amenable number.

1143210412 is a deficient number, since it is larger than the sum of its proper divisors (858061308).

1143210412 is a wasteful number, since it uses less digits than its factorization.

1143210412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93360 (or 93358 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1143210412 is about 33811.3947065187. The cubic root of 1143210412 is about 1045.6236327008.

Adding to 1143210412 its reverse (2140123411), we get a palindrome (3283333823).

The spelling of 1143210412 in words is "one billion, one hundred forty-three million, two hundred ten thousand, four hundred twelve".

Divisors: 1 2 4 3169 6338 12676 90187 180374 360748 285802603 571605206 1143210412