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11480280431 = 29570169439
BaseRepresentation
bin10101011000100011…
…10010110101101111
31002122002011200010112
422230101302311233
5142002422433211
65135102130235
7554330526224
oct125421626557
932562150115
1011480280431
114961356674
12228488097b
13110c596b59
147ac9b194b
15472d0e88b
hex2ac472d6f

11480280431 has 8 divisors (see below), whose sum is σ = 11878406400. Its totient is φ = 11082304800.

The previous prime is 11480280407. The next prime is 11480280433. The reversal of 11480280431 is 13408208411.

It is a happy number.

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 11480280431 - 26 = 11480280367 is a prime.

It is a super-2 number, since 2×114802804312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11480280433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130610 + ... + 200048.

It is an arithmetic number, because the mean of its divisors is an integer number (1484800800).

Almost surely, 211480280431 is an apocalyptic number.

11480280431 is a deficient number, since it is larger than the sum of its proper divisors (398125969).

11480280431 is an equidigital number, since it uses as much as digits as its factorization.

11480280431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75169.

The product of its (nonzero) digits is 6144, while the sum is 32.

Adding to 11480280431 its reverse (13408208411), we get a palindrome (24888488842).

The spelling of 11480280431 in words is "eleven billion, four hundred eighty million, two hundred eighty thousand, four hundred thirty-one".

Divisors: 1 29 5701 69439 165329 2013731 395871739 11480280431