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13405504112504 = 237356561671369
BaseRepresentation
bin1100001100010011011001…
…0011111000011101111000
31202110112221122000210011222
43003010312103320131320
53224113433023100004
644302223101011212
72552341613602550
oct303046623703570
952415848023158
1013405504112504
1142a92736552a9
1216060b0253b08
1376319771a25a
14344b891d2160
15183a943b37be
hexc31364f8778

13405504112504 has 32 divisors (see below), whose sum is σ = 28726203592800. Its totient is φ = 5745191377920.

The previous prime is 13405504112423. The next prime is 13405504112509. The reversal of 13405504112504 is 40521140550431.

It is a happy number.

13405504112504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13405504112509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19631732 + ... + 20303100.

It is an arithmetic number, because the mean of its divisors is an integer number (897693862275).

Almost surely, 213405504112504 is an apocalyptic number.

13405504112504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13405504112504 is an abundant number, since it is smaller than the sum of its proper divisors (15320699480296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13405504112504 is a wasteful number, since it uses less digits than its factorization.

13405504112504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027943 (or 1027939 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 13405504112504 its reverse (40521140550431), we get a palindrome (53926644662935).

The spelling of 13405504112504 in words is "thirteen trillion, four hundred five billion, five hundred four million, one hundred twelve thousand, five hundred four".

Divisors: 1 2 4 7 8 14 28 56 356561 671369 713122 1342738 1426244 2495927 2685476 2852488 4699583 4991854 5370952 9399166 9983708 18798332 19967416 37596664 239384002009 478768004018 957536008036 1675688014063 1915072016072 3351376028126 6702752056252 13405504112504