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213202022012 = 22773227607757
BaseRepresentation
bin1100011010001111010…
…1001010111001111100
3202101022102012220001122
43012203311022321330
511443114204201022
6241535455130112
721255226200050
oct3064365127174
9671272186048
10213202022012
1182466a8a7a1
12353a0b13938
1317149505615
14a4675d7c60
15582c4ce742
hex31a3d4ae7c

213202022012 has 96 divisors (see below), whose sum is σ = 435439054848. Its totient is φ = 89457467904.

The previous prime is 213202021979. The next prime is 213202022053. The reversal of 213202022012 is 210220202312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281640338 + ... + 281641094.

It is an arithmetic number, because the mean of its divisors is an integer number (4535823488).

Almost surely, 2213202022012 is an apocalyptic number.

It is an amenable number.

213202022012 is an abundant number, since it is smaller than the sum of its proper divisors (222237032836).

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

213202022012 is a wasteful number, since it uses less digits than its factorization.

213202022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 213202022012 its reverse (210220202312), we get a palindrome (423422224324).

The spelling of 213202022012 in words is "two hundred thirteen billion, two hundred two million, twenty-two thousand, twelve".

Divisors: 1 2 4 7 14 28 73 146 227 292 454 511 607 757 908 1022 1214 1514 1589 2044 2428 3028 3178 4249 5299 6356 8498 10598 16571 16996 21196 33142 44311 55261 66284 88622 110522 115997 137789 171839 177244 221044 231994 275578 310177 343678 386827 459499 463988 551156 620354 687356 773654 918998 964523 1202873 1240708 1547308 1837996 1929046 2405746 3216493 3858092 4811492 6432986 10058597 12544247 12865972 20117194 25088494 33543427 40234388 50176988 67086854 70410179 87809729 104306273 134173708 140820358 175619458 208612546 234803989 281640716 351238916 417225092 469607978 730143911 939215956 1460287822 2920575644 7614357929 15228715858 30457431716 53300505503 106601011006 213202022012