Search a number
-
+
210210210112 = 267267031317
BaseRepresentation
bin1100001111000110000…
…0010100000101000000
3202002120220121002200111
43003301200110011000
511421002303210422
6240322542201104
721121130206300
oct3036140240500
9662526532614
10210210210112
1181171202181
12348a6b83194
1316a9072a016
14a262123600
155704a06a77
hex30f1814140

210210210112 has 42 divisors (see below), whose sum is σ = 485239711002. Its totient is φ = 90090088704.

The previous prime is 210210210083. The next prime is 210210210139. The reversal of 210210210112 is 211012012012.

It can be written as a sum of positive squares in only one way, i.e., 159379802176 + 50830407936 = 399224^2 + 225456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210210210092 and 210210210101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33512523 + ... + 33518794.

Almost surely, 2210210210112 is an apocalyptic number.

It is an amenable number.

210210210112 is an abundant number, since it is smaller than the sum of its proper divisors (275029500890).

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

210210210112 is an equidigital number, since it uses as much as digits as its factorization.

210210210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67031343 (or 67031326 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210210210112 its reverse (211012012012), we get a palindrome (421222222124).

The spelling of 210210210112 in words is "two hundred ten billion, two hundred ten million, two hundred ten thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 392 448 784 1568 3136 67031317 134062634 268125268 469219219 536250536 938438438 1072501072 1876876876 2145002144 3284534533 3753753752 4290004288 6569069066 7507507504 13138138132 15015015008 26276276264 30030030016 52552552528 105105105056 210210210112