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12529101211 = 112103546291
BaseRepresentation
bin10111010101100101…
…01110100110011011
31012100011201021202121
423222302232212123
5201124422214321
65431130042111
7622324413604
oct135262564633
935304637677
1012529101211
11534a395200
122517b79337
131248968773
1486bdcadab
154d4e36441
hex2eacae99b

12529101211 has 6 divisors (see below), whose sum is σ = 13771656836. Its totient is φ = 11390091900.

The previous prime is 12529101203. The next prime is 12529101223. The reversal of 12529101211 is 11210192521.

It is not a de Polignac number, because 12529101211 - 23 = 12529101203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12529101251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51773025 + ... + 51773266.

Almost surely, 212529101211 is an apocalyptic number.

12529101211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12529101211 is a deficient number, since it is larger than the sum of its proper divisors (1242555625).

12529101211 is a wasteful number, since it uses less digits than its factorization.

12529101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103546313 (or 103546302 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 25.

Adding to 12529101211 its reverse (11210192521), we get a palindrome (23739293732).

The spelling of 12529101211 in words is "twelve billion, five hundred twenty-nine million, one hundred one thousand, two hundred eleven".

Divisors: 1 11 121 103546291 1139009201 12529101211