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13444015226 = 2137139352991
BaseRepresentation
bin11001000010101001…
…10110010001111010
31021200221021201211212
430201110312101322
5210013131441401
610102011523122
7654104146445
oct144124662172
937627251755
1013444015226
115779883694
1227324594a2
1313633845c5
1491770a65c
1553a40bdbb
hex32153647a

13444015226 has 16 divisors (see below), whose sum is σ = 20459416320. Its totient is φ = 6624916320.

The previous prime is 13444015133. The next prime is 13444015229. The reversal of 13444015226 is 62251044431.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13444015192 and 13444015201.

It is not an unprimeable number, because it can be changed into a prime (13444015229) 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, 138410 + ... + 214581.

It is an arithmetic number, because the mean of its divisors is an integer number (1278713520).

Almost surely, 213444015226 is an apocalyptic number.

13444015226 is a deficient number, since it is larger than the sum of its proper divisors (7015401094).

13444015226 is a wasteful number, since it uses less digits than its factorization.

13444015226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353269.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 13444015226 its reverse (62251044431), we get a palindrome (75695059657).

The spelling of 13444015226 in words is "thirteen billion, four hundred forty-four million, fifteen thousand, two hundred twenty-six".

Divisors: 1 2 137 139 274 278 19043 38086 352991 705982 48359767 49065749 96719534 98131498 6722007613 13444015226