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13201265401 = 3115712292207
BaseRepresentation
bin11000100101101101…
…10101001011111001
31021002000111202200121
430102312311023321
5204014010443101
610021540533241
7645065622142
oct142266651371
937060452617
1013201265401
1156648520a5
1226850b1221
131324cacc5c
148d339aac9
15523e5b0a1
hex312db52f9

13201265401 has 16 divisors (see below), whose sum is σ = 13731287040. Its totient is φ = 12677970240.

The previous prime is 13201265347. The next prime is 13201265411. The reversal of 13201265401 is 10456210231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13201265401 - 217 = 13201134329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13201265411) by changing a digit.

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, 5980440 + ... + 5982646.

It is an arithmetic number, because the mean of its divisors is an integer number (858205440).

Almost surely, 213201265401 is an apocalyptic number.

It is an amenable number.

13201265401 is a deficient number, since it is larger than the sum of its proper divisors (530021639).

13201265401 is a wasteful number, since it uses less digits than its factorization.

13201265401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 13201265401 its reverse (10456210231), we get a palindrome (23657475632).

The spelling of 13201265401 in words is "thirteen billion, two hundred one million, two hundred sixty-five thousand, four hundred one".

Divisors: 1 31 157 1229 2207 4867 38099 68417 192953 346499 2712403 5981543 10741469 84084493 425847271 13201265401