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13161411536648 = 2312526913133149
BaseRepresentation
bin1011111110000110000101…
…0000100110011100001000
31201121012220101210011112112
42333201201100212130020
53211114032323133043
643554134034001452
72525611022126654
oct277414120463410
951535811704475
1013161411536648
1142147a5771271
12158692a116288
137461674b290b
143370311b1a64
1517c559ee7518
hexbf861426708

13161411536648 has 16 divisors (see below), whose sum is σ = 24677845507500. Its totient is φ = 6580652734656.

The previous prime is 13161411536641. The next prime is 13161411536719. The reversal of 13161411536648 is 84663511416131.

It can be written as a sum of positive squares in 2 ways, for example, as 12427754191204 + 733657345444 = 3525302^2 + 856538^2 .

It is a super-2 number, since 2×131614115366482 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13161411536596 and 13161411536605.

It is not an unprimeable number, because it can be changed into a prime (13161411536641) 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 3 ways as a sum of consecutive naturals, for example, 5564423 + ... + 7568726.

Almost surely, 213161411536648 is an apocalyptic number.

It is an amenable number.

13161411536648 is a deficient number, since it is larger than the sum of its proper divisors (11516433970852).

13161411536648 is a wasteful number, since it uses less digits than its factorization.

13161411536648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13258424 (or 13258420 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The spelling of 13161411536648 in words is "thirteen trillion, one hundred sixty-one billion, four hundred eleven million, five hundred thirty-six thousand, six hundred forty-eight".

Divisors: 1 2 4 8 125269 250538 501076 1002152 13133149 26266298 52532596 105065192 1645176442081 3290352884162 6580705768324 13161411536648