Search a number
-
+
211001222002212 = 22344783991361287
BaseRepresentation
bin101111111110011110001100…
…111000100111011000100100
31000200002112000221200212210000
4233332132030320213120210
5210124021000313032322
62024432342340501300
762305222660404615
oct5776361470473044
91020075027625700
10211001222002212
1161260130036644
121b7b954a3aa830
13909743990bc65
143a167295b5c0c
15195d95cb7d3ac
hexbfe78ce27624

211001222002212 has 60 divisors (see below), whose sum is σ = 551600431782400. Its totient is φ = 70333541981424.

The previous prime is 211001222002177. The next prime is 211001222002231. The reversal of 211001222002212 is 212200222100112.

It is a happy number.

211001222002212 is a `hidden beast` number, since 21 + 100 + 122 + 200 + 221 + 2 = 666.

It is a super-2 number, since 2×2110012220022122 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 154320633 + ... + 155681919.

Almost surely, 2211001222002212 is an apocalyptic number.

It is an amenable number.

211001222002212 is an abundant number, since it is smaller than the sum of its proper divisors (340599209780188).

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

211001222002212 is a wasteful number, since it uses less digits than its factorization.

211001222002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839702 (or 1839691 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 211001222002212 its reverse (212200222100112), we get a palindrome (423201444102324).

The spelling of 211001222002212 in words is "two hundred eleven trillion, one billion, two hundred twenty-two million, two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 478399 956798 1361287 1435197 1913596 2722574 2870394 4083861 4305591 5445148 5740788 8167722 8611182 12251583 12916773 16335444 17222364 24503166 25833546 36754749 38750319 49006332 51667092 73509498 77500638 110264247 147018996 155001276 220528494 441056988 651238339513 1302476679026 1953715018539 2604953358052 3907430037078 5861145055617 7814860074156 11722290111234 17583435166851 23444580222468 35166870333702 52750305500553 70333740667404 105500611001106 211001222002212