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11431043141 = 727131719009
BaseRepresentation
bin10101010010101011…
…11110000001000101
31002111122112011021012
422221111332001011
5141402321340031
65130142532005
7553162156250
oct125125760105
932448464235
1011431043141
1149365869a1
122270297005
13110231796b
147a6236097
1546d835b2b
hex2a957e045

11431043141 has 16 divisors (see below), whose sum is σ = 13154311680. Its totient is φ = 9730575360.

The previous prime is 11431043123. The next prime is 11431043147. The reversal of 11431043141 is 14134013411.

It is a cyclic number.

It is not a de Polignac number, because 11431043141 - 26 = 11431043077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431043147) 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, 591845 + ... + 610853.

It is an arithmetic number, because the mean of its divisors is an integer number (822144480).

Almost surely, 211431043141 is an apocalyptic number.

It is an amenable number.

11431043141 is a deficient number, since it is larger than the sum of its proper divisors (1723268539).

11431043141 is a wasteful number, since it uses less digits than its factorization.

11431043141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19604.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 11431043141 its reverse (14134013411), we get a palindrome (25565056552).

The spelling of 11431043141 in words is "eleven billion, four hundred thirty-one million, forty-three thousand, one hundred forty-one".

Divisors: 1 7 271 317 1897 2219 19009 85907 133063 601349 5151439 6025853 36060073 42180971 1633006163 11431043141