Search a number
-
+
210020020212 = 223178922375171
BaseRepresentation
bin1100001110011000101…
…0110010111111110100
3202002002122201110012010
43003212022302333310
511420110111121322
6240252025524220
721113330500632
oct3034612627764
9662078643163
10210020020212
118108390a742
1234853343670
1316a601c9012
14a244b76352
1556e2e8920c
hex30e62b2ff4

210020020212 has 96 divisors (see below), whose sum is σ = 525039096960. Its totient is φ = 65106595840.

The previous prime is 210020020201. The next prime is 210020020247. The reversal of 210020020212 is 212020020012.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 40612387 + ... + 40617557.

It is an arithmetic number, because the mean of its divisors is an integer number (5469157260).

Almost surely, 2210020020212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210020020212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262519548480).

210020020212 is an abundant number, since it is smaller than the sum of its proper divisors (315019076748).

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

210020020212 is a wasteful number, since it uses less digits than its factorization.

210020020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7521 (or 7519 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 210020020212 its reverse (212020020012), we get a palindrome (422040040224).

The spelling of 210020020212 in words is "two hundred ten billion, twenty million, twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 89 102 178 204 267 356 534 1068 1513 2237 3026 4474 4539 5171 6052 6711 8948 9078 10342 13422 15513 18156 20684 26844 31026 38029 62052 76058 87907 114087 152116 175814 199093 228174 263721 351628 398186 456348 460219 527442 597279 796372 920438 1054884 1194558 1380657 1840876 2389116 2761314 3384581 5522628 6769162 7823723 10153743 11567527 13538324 15647446 20307486 23135054 23471169 31294892 34702581 40614972 46270108 46942338 69405162 93884676 138810324 196647959 393295918 589943877 786591836 1029509903 1179887754 2059019806 2359775508 3088529709 4118039612 6177059418 12354118836 17501668351 35003336702 52505005053 70006673404 105010010106 210020020212