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13320434013021 = 3216991811481021
BaseRepresentation
bin1100000111010110011110…
…1111001101001101011101
31202011102100221121222012200
43001311213233031031131
53221220222101404041
644155153425322113
72543240525644032
oct301654757151535
952142327558180
1013320434013021
114276189812463
1215b170a496339
1375815b081995
143409d8d49389
15181765c431b6
hexc1d67bcd35d

13320434013021 has 24 divisors (see below), whose sum is σ = 19262622194400. Its totient is φ = 8870143485600.

The previous prime is 13320434013017. The next prime is 13320434013059. The reversal of 13320434013021 is 12031043402331.

It is a happy number.

13320434013021 is a `hidden beast` number, since 1 + 3 + 3 + 204 + 3 + 401 + 30 + 21 = 666.

It is not a de Polignac number, because 13320434013021 - 22 = 13320434013017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320434013421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27451491 + ... + 27932511.

It is an arithmetic number, because the mean of its divisors is an integer number (802609258100).

Almost surely, 213320434013021 is an apocalyptic number.

It is an amenable number.

13320434013021 is a deficient number, since it is larger than the sum of its proper divisors (5942188181379).

13320434013021 is a wasteful number, since it uses less digits than its factorization.

13320434013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484537 (or 484534 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13320434013021 its reverse (12031043402331), we get a palindrome (25351477415352).

The spelling of 13320434013021 in words is "thirteen trillion, three hundred twenty billion, four hundred thirty-four million, thirteen thousand, twenty-one".

Divisors: 1 3 9 1699 1811 5097 5433 15291 16299 481021 1443063 3076889 4329189 9230667 27692001 817254679 871129031 2451764037 2613387093 7355292111 7840161279 1480048223669 4440144671007 13320434013021