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13124122142131 = 7111343929865629
BaseRepresentation
bin1011111011111011001010…
…1000110110010110110011
31201110122122122012122201201
42332332302220312112303
53210011200232022011
643525045524512031
72523120660403030
oct276766250662663
951418578178651
1013124122142131
1141aa9aa893250
12157b661b4b617
137427a3b8b130
143352d49d8387
1517b5c648ccc1
hexbefb2a365b3

13124122142131 has 32 divisors (see below), whose sum is σ = 17661338956800. Its totient is φ = 9418424446080.

The previous prime is 13124122142129. The next prime is 13124122142137.

13124122142131 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13124122142131 - 21 = 13124122142129 is a prime.

It is a super-2 number, since 2×131241221421312 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13124122142131.

It is not an unprimeable number, because it can be changed into a prime (13124122142137) 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, 14493376 + ... + 15372253.

It is an arithmetic number, because the mean of its divisors is an integer number (551916842400).

Almost surely, 213124122142131 is an apocalyptic number.

13124122142131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13124122142131 is a deficient number, since it is larger than the sum of its proper divisors (4537216814669).

13124122142131 is a wasteful number, since it uses less digits than its factorization.

13124122142131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29866099.

The product of its digits is 2304, while the sum is 28.

It can be divided in two parts, 1312412 and 2142131, that added together give a palindrome (3454543).

The spelling of 13124122142131 in words is "thirteen trillion, one hundred twenty-four billion, one hundred twenty-two million, one hundred forty-two thousand, one hundred thirty-one".

Divisors: 1 7 11 13 77 91 143 439 1001 3073 4829 5707 33803 39949 62777 439439 29865629 209059403 328521919 388253177 2299653433 2717772239 4270784947 13111011131 29895494629 91777077917 144221122441 170443144703 1009547857087 1193102012921 1874874591733 13124122142131