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13221470607 = 34407156869
BaseRepresentation
bin11000101000000111…
…11010000110001111
31021010102112022000120
430110003322012033
5204034144024412
610023542000023
7645432434352
oct142403720617
937112468016
1013221470607
1156751a2614
12268ba16013
1313292358b7
148d5d3a299
15525aecb8c
hex3140fa18f

13221470607 has 4 divisors (see below), whose sum is σ = 17628627480. Its totient is φ = 8814313736.

The previous prime is 13221470599. The next prime is 13221470609. The reversal of 13221470607 is 70607412231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70607412231 = 323535804077.

It is a cyclic number.

It is not a de Polignac number, because 13221470607 - 23 = 13221470599 is a prime.

It is a super-3 number, since 3×132214706073 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221470609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2203578432 + ... + 2203578437.

It is an arithmetic number, because the mean of its divisors is an integer number (4407156870).

Almost surely, 213221470607 is an apocalyptic number.

13221470607 is a deficient number, since it is larger than the sum of its proper divisors (4407156873).

13221470607 is an equidigital number, since it uses as much as digits as its factorization.

13221470607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407156872.

The product of its (nonzero) digits is 14112, while the sum is 33.

Adding to 13221470607 its reverse (70607412231), we get a palindrome (83828882838).

The spelling of 13221470607 in words is "thirteen billion, two hundred twenty-one million, four hundred seventy thousand, six hundred seven".

Divisors: 1 3 4407156869 13221470607