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13124442001 = 11103127197463
BaseRepresentation
bin11000011100100011…
…10001011110010001
31020212122221201210111
430032101301132101
5203334324121001
610010154201321
7643143626206
oct141621613621
936778851714
1013124442001
115625450590
122663423241
1313120c2718
148c70bdcad
1551c333851
hex30e471791

13124442001 has 32 divisors (see below), whose sum is σ = 14676000768. Its totient is φ = 11637743040.

The previous prime is 13124441969. The next prime is 13124442011. The reversal of 13124442001 is 10024442131.

It is a happy number.

It is not a de Polignac number, because 13124442001 - 25 = 13124441969 is a prime.

It is a super-2 number, since 2×131244420012 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13124442011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28346296 + ... + 28346758.

It is an arithmetic number, because the mean of its divisors is an integer number (458625024).

Almost surely, 213124442001 is an apocalyptic number.

13124442001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13124442001 is a deficient number, since it is larger than the sum of its proper divisors (1551558767).

13124442001 is a wasteful number, since it uses less digits than its factorization.

13124442001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 13124442001 its reverse (10024442131), we get a palindrome (23148884132).

The spelling of 13124442001 in words is "thirteen billion, one hundred twenty-four million, four hundred forty-two thousand, one".

Divisors: 1 11 103 127 197 463 1133 1397 2167 5093 13081 20291 25019 47689 58801 91211 143891 223201 275209 524579 646811 1003321 2576957 6056503 9394733 11583797 28346527 66621533 103342063 127421767 1193131091 13124442001