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13201212030 = 235607821883
BaseRepresentation
bin11000100101101101…
…01000001001111110
31021002000102001110220
430102312220021332
5204014002241110
610021535442210
7645065310426
oct142266501176
937060361426
1013201212030
115664815a96
122685086366
131324c91886
148d3385486
15523e4a370
hex312da827e

13201212030 has 64 divisors (see below), whose sum is σ = 31809742848. Its totient is φ = 3506267520.

The previous prime is 13201212023. The next prime is 13201212047. The reversal of 13201212030 is 3021210231.

13201212030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×132012120302 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14949969 + ... + 14950851.

It is an arithmetic number, because the mean of its divisors is an integer number (497027232).

Almost surely, 213201212030 is an apocalyptic number.

13201212030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13201212030 is an abundant number, since it is smaller than the sum of its proper divisors (18608530818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13201212030 is a wasteful number, since it uses less digits than its factorization.

13201212030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321.

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

Adding to 13201212030 its reverse (3021210231), we get a palindrome (16222422261).

The spelling of 13201212030 in words is "thirteen billion, two hundred one million, two hundred twelve thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 607 821 883 1214 1642 1766 1821 2463 2649 3035 3642 4105 4415 4926 5298 6070 8210 8830 9105 12315 13245 18210 24630 26490 498347 535981 724943 996694 1071962 1449886 1495041 1607943 2174829 2491735 2679905 2990082 3215886 3624715 4349658 4983470 5359810 7249430 7475205 8039715 10874145 14950410 16079430 21748290 440040401 880080802 1320121203 2200202005 2640242406 4400404010 6600606015 13201212030