Search a number
-
+
20212213212132 = 22341701538110891
BaseRepresentation
bin1001001100010000001011…
…10010011110001111100100
32122120021020220001122120020
410212020011302132033210
510122124103040242012
6110553210151435140
74154166325405224
oct446100562361744
978507226048506
1020212213212132
116492a51477287
122325319385ab0
13b38007999646
144dc3c23bc084
15250b75644a8c
hex126205c9e3e4

20212213212132 has 96 divisors (see below), whose sum is σ = 48394472450688. Its totient is φ = 6561878400000.

The previous prime is 20212213212077. The next prime is 20212213212133. The reversal of 20212213212132 is 23121231221202.

It is not an unprimeable number, because it can be changed into a prime (20212213212133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1855858407 + ... + 1855869297.

It is an arithmetic number, because the mean of its divisors is an integer number (504109088028).

Almost surely, 220212213212132 is an apocalyptic number.

It is an amenable number.

20212213212132 is an abundant number, since it is smaller than the sum of its proper divisors (28182259238556).

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

20212213212132 is a wasteful number, since it uses less digits than its factorization.

20212213212132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17021 (or 17019 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20212213212132 its reverse (23121231221202), we get a palindrome (43333444433334).

The spelling of 20212213212132 in words is "twenty trillion, two hundred twelve billion, two hundred thirteen million, two hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 701 1402 2103 2804 4206 5381 8412 10762 10891 16143 21524 21782 28741 32286 32673 43564 57482 64572 65346 86223 114964 130692 172446 220621 344892 441242 446531 661863 882484 893062 1323726 1339593 1786124 2647452 2679186 3772081 5358372 7544162 7634591 11316243 15088324 15269182 22632486 22903773 30538364 45264972 45807546 58604471 91615092 117208942 154655321 175813413 234417884 309310642 313018231 351626826 463965963 618621284 626036462 703253652 927931926 939054693 1252072924 1855863852 1878109386 2402783311 3756218772 4805566622 7208349933 9611133244 14416699866 28833399732 41081734171 82163468342 123245202513 164326936684 246490405026 492980810052 1684351101011 3368702202022 5053053303033 6737404404044 10106106606066 20212213212132