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13450420401 = 3112353334363
BaseRepresentation
bin11001000011011010…
…10010000010110001
31021201101100011002120
430201231102002301
5210021301423101
610102401104453
7654212454435
oct144155220261
937641304076
1013450420401
115782458a20
122734628129
1313647b7b52
149184d69c5
1553ac74b36
hex321b520b1

13450420401 has 32 divisors (see below), whose sum is σ = 20800115712. Its totient is φ = 7650202560.

The previous prime is 13450420367. The next prime is 13450420433. The reversal of 13450420401 is 10402405431.

It is not a de Polignac number, because 13450420401 - 29 = 13450419889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13450420441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126955 + ... + 207408.

It is an arithmetic number, because the mean of its divisors is an integer number (650003616).

Almost surely, 213450420401 is an apocalyptic number.

13450420401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13450420401 is a deficient number, since it is larger than the sum of its proper divisors (7349695311).

13450420401 is a wasteful number, since it uses less digits than its factorization.

13450420401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334453.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 13450420401 its reverse (10402405431), we get a palindrome (23852825832).

The spelling of 13450420401 in words is "thirteen billion, four hundred fifty million, four hundred twenty thousand, four hundred one".

Divisors: 1 3 11 23 33 53 69 159 253 583 759 1219 1749 3657 13409 40227 334363 1003089 3677993 7690349 11033979 17721239 23071047 53163717 84593839 194933629 253781517 407588497 584800887 1222765491 4483473467 13450420401