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13122413515255 = 5115330714663471
BaseRepresentation
bin1011111011110100110011…
…0010111101000111110111
31201110111020120010102021211
42332331030302331013313
53204444200324442010
643524204211022251
72523030432330412
oct276751462750767
951414216112254
1013122413515255
1141aa203368620
12157b26589a987
13742590bb1005
143351b1b08b79
1517b52648308a
hexbef4ccbd1f7

13122413515255 has 32 divisors (see below), whose sum is σ = 17559566373888. Its totient is φ = 9333005385600.

The previous prime is 13122413515231. The next prime is 13122413515339. The reversal of 13122413515255 is 55251531422131.

It is not a de Polignac number, because 13122413515255 - 239 = 12572657701367 is a prime.

It is a super-2 number, since 2×131224135152552 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 6436831 + ... + 8226640.

It is an arithmetic number, because the mean of its divisors is an integer number (548736449184).

Almost surely, 213122413515255 is an apocalyptic number.

13122413515255 is a deficient number, since it is larger than the sum of its proper divisors (4437152858633).

13122413515255 is a wasteful number, since it uses less digits than its factorization.

13122413515255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14663847.

The product of its digits is 180000, while the sum is 40.

Adding to 13122413515255 its reverse (55251531422131), we get a palindrome (68373944937386).

The spelling of 13122413515255 in words is "thirteen trillion, one hundred twenty-two billion, four hundred thirteen million, five hundred fifteen thousand, two hundred fifty-five".

Divisors: 1 5 11 53 55 265 307 583 1535 2915 3377 16271 16885 81355 178981 894905 14663471 73317355 161298181 777163963 806490905 3885819815 4501685597 8548803593 22508427985 42744017965 49518541567 238589336641 247592707835 1192946683205 2624482703051 13122413515255