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13021020303111 = 323280514410229
BaseRepresentation
bin1011110101111011000101…
…0010100010111100000111
31201002210112021220120021100
42331132301102202330013
53201314022144144421
643405435114351143
72512511010260052
oct275366122427407
951083467816240
1013021020303111
11417020255a627
12156368942b4b3
13735b5285b5b2
14330313a21a99
15178a8ec94c26
hexbd7b14a2f07

13021020303111 has 12 divisors (see below), whose sum is σ = 18808202035480. Its totient is φ = 8680651772400.

The previous prime is 13021020303089. The next prime is 13021020303143. The reversal of 13021020303111 is 11130302012031.

13021020303111 is a `hidden beast` number, since 1 + 302 + 1 + 0 + 20 + 30 + 311 + 1 = 666.

It is not a de Polignac number, because 13021020303111 - 26 = 13021020303047 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 (13021020303611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 747345 + ... + 5157573.

Almost surely, 213021020303111 is an apocalyptic number.

13021020303111 is a deficient number, since it is larger than the sum of its proper divisors (5787181732369).

13021020303111 is a wasteful number, since it uses less digits than its factorization.

13021020303111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738286 (or 4738283 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13021020303111 its reverse (11130302012031), we get a palindrome (24151322315142).

The spelling of 13021020303111 in words is "thirteen trillion, twenty-one billion, twenty million, three hundred three thousand, one hundred eleven".

Divisors: 1 3 9 328051 984153 2952459 4410229 13230687 39692061 1446780033679 4340340101037 13021020303111