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12541896693131 = 13792443348949
BaseRepresentation
bin1011011010000010001101…
…0011000001010110001011
31122101222211100022100101012
42312200203103001112023
53120441301023140011
642401400124514135
72433056614630301
oct266404323012613
948358740270335
1012541896693131
113aa5a96797a23
1214a68539ab94b
136cc907836530
14315061256271
1516b39bce3a8b
hexb68234c158b

12541896693131 has 24 divisors (see below), whose sum is σ = 13710711697200. Its totient is φ = 11404754023104.

The previous prime is 12541896693113. The next prime is 12541896693169. The reversal of 12541896693131 is 13139669814521.

It is a happy number.

It is not a de Polignac number, because 12541896693131 - 214 = 12541896676747 is a prime.

It is a super-2 number, since 2×125418966931312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12541896693631) 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 23 ways as a sum of consecutive naturals, for example, 35767445 + ... + 36116393.

It is an arithmetic number, because the mean of its divisors is an integer number (571279654050).

Almost surely, 212541896693131 is an apocalyptic number.

12541896693131 is a deficient number, since it is larger than the sum of its proper divisors (1168815004069).

12541896693131 is an equidigital number, since it uses as much as digits as its factorization.

12541896693131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349563 (or 349484 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 59.

The spelling of 12541896693131 in words is "twelve trillion, five hundred forty-one billion, eight hundred ninety-six million, six hundred ninety-three thousand, one hundred thirty-one".

Divisors: 1 13 79 443 1027 5759 6241 34997 81133 348949 454961 2764763 4536337 27566971 35941919 154584407 358370623 2009597291 2177790709 12212168153 28311279217 158758185989 964761284087 12541896693131