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13445505331210 = 256650920216069
BaseRepresentation
bin1100001110101000011010…
…0100011011000000001010
31202121101012101101020102201
43003222012210123000022
53230242343331044320
644332440241550414
72555256104420461
oct303520644330012
952541171336381
1013445505331210
114314230265a37
1216119b464540a
13766ba0b08434
14346aa19d99d8
15184b3603b70a
hexc3a8691b00a

13445505331210 has 16 divisors (see below), whose sum is σ = 24202274682600. Its totient is φ = 5378121002176.

The previous prime is 13445505331207. The next prime is 13445505331211. The reversal of 13445505331210 is 1213350554431.

It can be written as a sum of positive squares in 4 ways, for example, as 12790915920721 + 654589410489 = 3576439^2 + 809067^2 .

It is a super-2 number, since 2×134455053312102 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13445505331210.

It is not an unprimeable number, because it can be changed into a prime (13445505331211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9442945 + ... + 10773124.

Almost surely, 213445505331210 is an apocalyptic number.

13445505331210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13445505331210 is a deficient number, since it is larger than the sum of its proper divisors (10756769351390).

13445505331210 is a wasteful number, since it uses less digits than its factorization.

13445505331210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20282585.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 13445505331210 its reverse (1213350554431), we get a palindrome (14658855885641).

The spelling of 13445505331210 in words is "thirteen trillion, four hundred forty-five billion, five hundred five million, three hundred thirty-one thousand, two hundred ten".

Divisors: 1 2 5 10 66509 133018 332545 665090 20216069 40432138 101080345 202160690 1344550533121 2689101066242 6722752665605 13445505331210