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11631454343 = 73211375407
BaseRepresentation
bin10101101010100100…
…11110100010000111
31010000121122002202022
422311102132202013
5142310123014333
65202102233355
7561144505415
oct126522364207
933017562668
1011631454343
114a2971a893
12230742585b
1311349b7182
147c4ac42b5
15481221c98
hex2b549e887

11631454343 has 8 divisors (see below), whose sum is σ = 11796525888. Its totient is φ = 11466537984.

The previous prime is 11631454339. The next prime is 11631454363. The reversal of 11631454343 is 34345413611.

It is a happy number.

11631454343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11631454343 - 22 = 11631454339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11631454363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116546 + ... + 191952.

It is an arithmetic number, because the mean of its divisors is an integer number (1474565736).

Almost surely, 211631454343 is an apocalyptic number.

11631454343 is a deficient number, since it is larger than the sum of its proper divisors (165071545).

11631454343 is an equidigital number, since it uses as much as digits as its factorization.

11631454343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77593.

The product of its digits is 51840, while the sum is 35.

Adding to 11631454343 its reverse (34345413611), we get a palindrome (45976867954).

The spelling of 11631454343 in words is "eleven billion, six hundred thirty-one million, four hundred fifty-four thousand, three hundred forty-three".

Divisors: 1 73 2113 75407 154249 5504711 159334991 11631454343