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13212264745 = 5191031350257
BaseRepresentation
bin11000100111000001…
…10010100100101001
31021002210012120221201
430103200302210221
5204024314432440
610023012404201
7645261253201
oct142340624451
937083176851
1013212264745
11566aa85069
122688916661
131327361644
148d4a21401
15524dd019a
hex313832929

13212264745 has 16 divisors (see below), whose sum is σ = 16851219840. Its totient is φ = 9916280064.

The previous prime is 13212264701. The next prime is 13212264797. The reversal of 13212264745 is 54746221231.

It is a cyclic number.

It is not a de Polignac number, because 13212264745 - 27 = 13212264617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665344 + ... + 684913.

It is an arithmetic number, because the mean of its divisors is an integer number (1053201240).

Almost surely, 213212264745 is an apocalyptic number.

It is an amenable number.

13212264745 is a deficient number, since it is larger than the sum of its proper divisors (3638955095).

13212264745 is a wasteful number, since it uses less digits than its factorization.

13212264745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350384.

The product of its digits is 80640, while the sum is 37.

Adding to 13212264745 its reverse (54746221231), we get a palindrome (67958485976).

The spelling of 13212264745 in words is "thirteen billion, two hundred twelve million, two hundred sixty-four thousand, seven hundred forty-five".

Divisors: 1 5 19 95 103 515 1957 9785 1350257 6751285 25654883 128274415 139076471 695382355 2642452949 13212264745