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13405501445442 = 236744974269529
BaseRepresentation
bin1100001100010011011000…
…1001101101010101000010
31202110112221110000021122220
43003010312021231111002
53224113431332223232
644302222523511510
72552341552124061
oct303046611552502
952415843007586
1013405501445442
1142a92720a3517
1216060ab388596
13763196cc5302
14344b88ada1d8
15183a9403842c
hexc313626d542

13405501445442 has 32 divisors (see below), whose sum is σ = 27271771416000. Its totient is φ = 4392002807808.

The previous prime is 13405501445389. The next prime is 13405501445507. The reversal of 13405501445442 is 24454410550431.

It is a junction number, because it is equal to n+sod(n) for n = 13405501445394 and 13405501445403.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 36954267 + ... + 37315262.

It is an arithmetic number, because the mean of its divisors is an integer number (852242856750).

Almost surely, 213405501445442 is an apocalyptic number.

13405501445442 is an abundant number, since it is smaller than the sum of its proper divisors (13866269970558).

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

13405501445442 is a wasteful number, since it uses less digits than its factorization.

13405501445442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74270050.

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 13405501445442 its reverse (24454410550431), we get a palindrome (37859911995873).

The spelling of 13405501445442 in words is "thirteen trillion, four hundred five billion, five hundred one million, four hundred forty-five thousand, four hundred forty-two".

Divisors: 1 2 3 6 67 134 201 402 449 898 1347 2694 30083 60166 90249 180498 74269529 148539058 222808587 445617174 4976058443 9952116886 14928175329 29856350658 33347018521 66694037042 100041055563 200082111126 2234250240907 4468500481814 6702750722721 13405501445442