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1100424143 = 71331390083
BaseRepresentation
bin100000110010111…
…0010001111001111
32211200122100010202
41001211302033033
54223202033033
6301105524115
736161310440
oct10145621717
92750570122
101100424143
11515184a45
1226864363b
13146c9ba60
14a620d2c7
156691b8e8
hex419723cf

1100424143 has 16 divisors (see below), whose sum is σ = 1398061056. Its totient is φ = 842577120.

The previous prime is 1100424089. The next prime is 1100424151. The reversal of 1100424143 is 3414240011.

It is not a de Polignac number, because 1100424143 - 218 = 1100161999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100424173) 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, 192221 + ... + 197862.

It is an arithmetic number, because the mean of its divisors is an integer number (87378816).

Almost surely, 21100424143 is an apocalyptic number.

1100424143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1100424143 is a deficient number, since it is larger than the sum of its proper divisors (297636913).

1100424143 is a wasteful number, since it uses less digits than its factorization.

1100424143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390134.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1100424143 is about 33172.6414836081. The cubic root of 1100424143 is about 1032.4127754936.

Adding to 1100424143 its reverse (3414240011), we get a palindrome (4514664154).

The spelling of 1100424143 in words is "one billion, one hundred million, four hundred twenty-four thousand, one hundred forty-three".

Divisors: 1 7 13 31 91 217 403 2821 390083 2730581 5071079 12092573 35497553 84648011 157203449 1100424143