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13023010221 = 313333923339
BaseRepresentation
bin11000010000011101…
…10101110110101101
31020121121002110112220
430020032311312231
5203132342311341
65552132145553
7640502521554
oct141016656655
936547073486
1013023010221
115583171371
1226354682b9
1312c709a310
148b7838d9b
15513499a66
hex3083b5dad

13023010221 has 8 divisors (see below), whose sum is σ = 18699707040. Its totient is φ = 8014160112.

The previous prime is 13023010211. The next prime is 13023010223. The reversal of 13023010221 is 12201032031.

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

It is not a de Polignac number, because 13023010221 - 213 = 13023002029 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13023010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023010223) 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, 166961631 + ... + 166961708.

It is an arithmetic number, because the mean of its divisors is an integer number (2337463380).

Almost surely, 213023010221 is an apocalyptic number.

It is an amenable number.

13023010221 is a deficient number, since it is larger than the sum of its proper divisors (5676696819).

13023010221 is a wasteful number, since it uses less digits than its factorization.

13023010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333923355.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13023010221 its reverse (12201032031), we get a palindrome (25224042252).

The spelling of 13023010221 in words is "thirteen billion, twenty-three million, ten thousand, two hundred twenty-one".

Divisors: 1 3 13 39 333923339 1001770017 4341003407 13023010221