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213212132310 = 23541173343197
BaseRepresentation
bin1100011010010001101…
…1101111001111010110
3202101100010020112210010
43012210123233033112
511443124301213220
6241540455541050
721255411136122
oct3064433571726
9671303215703
10213212132310
1182471765811
12353a438a786
131714b635448
14a468aaa582
15582d32a1e0
hex31a46ef3d6

213212132310 has 32 divisors (see below), whose sum is σ = 524189830752. Its totient is φ = 55469822720.

The previous prime is 213212132291. The next prime is 213212132359. The reversal of 213212132310 is 13231212312.

It is a super-2 number, since 2×2132121323102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86670369 + ... + 86672828.

It is an arithmetic number, because the mean of its divisors is an integer number (16380932211).

Almost surely, 2213212132310 is an apocalyptic number.

213212132310 is an abundant number, since it is smaller than the sum of its proper divisors (310977698442).

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

213212132310 is a wasteful number, since it uses less digits than its factorization.

213212132310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173343248.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213212132310 its reverse (13231212312), we get a palindrome (226443344622).

The spelling of 213212132310 in words is "two hundred thirteen billion, two hundred twelve million, one hundred thirty-two thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 41 82 123 205 246 410 615 1230 173343197 346686394 520029591 866715985 1040059182 1733431970 2600147955 5200295910 7107071077 14214142154 21321213231 35535355385 42642426462 71070710770 106606066155 213212132310