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13001312121009 = 329251595379957
BaseRepresentation
bin1011110100110001101010…
…0101110011000010110001
31201000220122210111011220220
42331030122211303002301
53201003141400333014
643352415331523253
72511212430424152
oct275143245630261
951026583434826
1013001312121009
114162909826723
12155b8a9159529
13734031778494
1432d3a43bd929
151782d996d6a9
hexbd31a9730b1

13001312121009 has 16 divisors (see below), whose sum is σ = 18004289929920. Its totient is φ = 8335319384000.

The previous prime is 13001312120999. The next prime is 13001312121073. The reversal of 13001312121009 is 90012121310031.

13001312121009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13001312121009 - 221 = 13001310023857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13001312121009.

It is not an unprimeable number, because it can be changed into a prime (13001312121209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297668142 + ... + 297711815.

It is an arithmetic number, because the mean of its divisors is an integer number (1125268120620).

Almost surely, 213001312121009 is an apocalyptic number.

It is an amenable number.

13001312121009 is a deficient number, since it is larger than the sum of its proper divisors (5002977808911).

13001312121009 is a wasteful number, since it uses less digits than its factorization.

13001312121009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595380240.

The product of its (nonzero) digits is 324, while the sum is 24.

The spelling of 13001312121009 in words is "thirteen trillion, one billion, three hundred twelve million, one hundred twenty-one thousand, nine".

Divisors: 1 3 29 87 251 753 7279 21837 595379957 1786139871 17266018753 51798056259 149440369207 448321107621 4333770707003 13001312121009