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13444153245 = 325793781759
BaseRepresentation
bin11001000010101010…
…10111111110011101
31021200221112202011200
430201111113332131
5210013200400440
610102014510113
7654105263025
oct144125277635
937627482150
1013444153245
115779968356
122732505339
131363402383
14917744a85
1553a437c30
hex321557f9d

13444153245 has 24 divisors (see below), whose sum is σ = 23598182400. Its totient is φ = 7079450976.

The previous prime is 13444153237. The next prime is 13444153271. The reversal of 13444153245 is 54235144431.

13444153245 is a `hidden beast` number, since 1 + 3 + 44 + 41 + 532 + 45 = 666.

It is not a de Polignac number, because 13444153245 - 23 = 13444153237 is a prime.

It is a super-3 number, since 3×134441532453 (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1887325 + ... + 1894434.

It is an arithmetic number, because the mean of its divisors is an integer number (983257600).

Almost surely, 213444153245 is an apocalyptic number.

13444153245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13444153245 is a deficient number, since it is larger than the sum of its proper divisors (10154029155).

13444153245 is a wasteful number, since it uses less digits than its factorization.

13444153245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781849 (or 3781846 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 13444153245 its reverse (54235144431), we get a palindrome (67679297676).

The spelling of 13444153245 in words is "thirteen billion, four hundred forty-four million, one hundred fifty-three thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 45 79 237 395 711 1185 3555 3781759 11345277 18908795 34035831 56726385 170179155 298758961 896276883 1493794805 2688830649 4481384415 13444153245