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13423220101 = 57764136293
BaseRepresentation
bin11001000000001011…
…00001010110000101
31021122111011020022001
430200011201112011
5204442321020401
610055550105301
7653432326324
oct144005412605
937574136261
1013423220101
11576906aa35
1227274ab231
13135bc832b5
14914a560bb
155386a0601
hex320161585

13423220101 has 8 divisors (see below), whose sum is σ = 13467832344. Its totient is φ = 13378682880.

The previous prime is 13423219961. The next prime is 13423220113. The reversal of 13423220101 is 10102232431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4797640225 + 8625579876 = 69265^2 + 92874^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13423220101 - 213 = 13423211909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423220191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351711 + ... + 388003.

It is an arithmetic number, because the mean of its divisors is an integer number (1683479043).

Almost surely, 213423220101 is an apocalyptic number.

It is an amenable number.

13423220101 is a deficient number, since it is larger than the sum of its proper divisors (44612243).

13423220101 is an equidigital number, since it uses as much as digits as its factorization.

13423220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37511.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13423220101 its reverse (10102232431), we get a palindrome (23525452532).

The spelling of 13423220101 in words is "thirteen billion, four hundred twenty-three million, two hundred twenty thousand, one hundred one".

Divisors: 1 577 641 36293 369857 20941061 23263813 13423220101