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12353141551 = 26591464561
BaseRepresentation
bin10111000000100110…
…11111101100101111
31011212220121121111011
423200103133230233
5200244401012201
65401442410051
7615056653642
oct134023375457
934786547434
1012353141551
11526a0320a3
122489060927
13121b37a91a
148528a5a59
154c477a151
hex2e04dfb2f

12353141551 has 4 divisors (see below), whose sum is σ = 12353632704. Its totient is φ = 12352650400.

The previous prime is 12353141531. The next prime is 12353141557. The reversal of 12353141551 is 15514135321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15514135321 = 19977960479.

It is a cyclic number.

It is not a de Polignac number, because 12353141551 - 25 = 12353141519 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 (12353141557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205690 + ... + 258871.

It is an arithmetic number, because the mean of its divisors is an integer number (3088408176).

Almost surely, 212353141551 is an apocalyptic number.

12353141551 is a deficient number, since it is larger than the sum of its proper divisors (491153).

12353141551 is an equidigital number, since it uses as much as digits as its factorization.

12353141551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491152.

The product of its digits is 9000, while the sum is 31.

Adding to 12353141551 its reverse (15514135321), we get a palindrome (27867276872).

The spelling of 12353141551 in words is "twelve billion, three hundred fifty-three million, one hundred forty-one thousand, five hundred fifty-one".

Divisors: 1 26591 464561 12353141551