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13124413134421 = 577131591728547
BaseRepresentation
bin1011111011111100001111…
…1110111001011001010101
31201110200101220202121002221
42332333003332321121111
53210012244230300141
643525134441502341
72523131122655041
oct276770376713125
951420356677087
1013124413134421
11420003a075046
12157b7234a19b1
1374281c253c14
14335321505021
1517b5e1cbcbd1
hexbefc3fb9655

13124413134421 has 8 divisors (see below), whose sum is σ = 13148165791040. Its totient is φ = 13100663962368.

The previous prime is 13124413134383. The next prime is 13124413134457. The reversal of 13124413134421 is 12443131442131.

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 13124413134421 - 235 = 13090053396053 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 (13124413134821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6728470 + ... + 8457016.

It is an arithmetic number, because the mean of its divisors is an integer number (1643520723880).

Almost surely, 213124413134421 is an apocalyptic number.

It is an amenable number.

13124413134421 is a deficient number, since it is larger than the sum of its proper divisors (23752656619).

13124413134421 is a wasteful number, since it uses less digits than its factorization.

13124413134421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742283.

The product of its digits is 27648, while the sum is 34.

Adding to 13124413134421 its reverse (12443131442131), we get a palindrome (25567544576552).

The spelling of 13124413134421 in words is "thirteen trillion, one hundred twenty-four billion, four hundred thirteen million, one hundred thirty-four thousand, four hundred twenty-one".

Divisors: 1 577 13159 1728547 7592743 997371619 22745949973 13124413134421