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1143043100 = 225241793529
BaseRepresentation
bin100010000100001…
…0111010000011100
32221122211121100122
41010020113100130
54320104334400
6305231214112
740216464113
oct10410272034
92848747318
101143043100
11537244221
1227a977338
13152a71684
14abb44c7a
156a539685
hex4421741c

1143043100 has 72 divisors (see below), whose sum is σ = 2573793600. Its totient is φ = 440294400.

The previous prime is 1143043081. The next prime is 1143043117. The reversal of 1143043100 is 13403411.

Adding to 1143043100 its reverse (13403411), we get a palindrome (1156446511).

It is a super-2 number, since 2×11430431002 = 2613095056915220000, which contains 22 as substring.

It is a congruent number.

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 in 23 ways as a sum of consecutive naturals, for example, 322136 + ... + 325664.

Almost surely, 21143043100 is an apocalyptic number.

1143043100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143043100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1286896800).

1143043100 is an abundant number, since it is smaller than the sum of its proper divisors (1430750500).

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

1143043100 is a wasteful number, since it uses less digits than its factorization.

1143043100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663 (or 3656 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1143043100 is about 33808.9204205044. The cubic root of 1143043100 is about 1045.5726202437.

The spelling of 1143043100 in words is "one billion, one hundred forty-three million, forty-three thousand, one hundred".