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212130323310 = 2357071010777
BaseRepresentation
bin1100010110001111110…
…0111101101101101110
3202021112201121221211010
43011203330331231232
511433420330321220
6241241253010050
721216533666043
oct3054374755556
9667481557733
10212130323310
1181a67045694
1235142023926
1317008483689
14a3a51451ca
1557b83891e0
hex3163f3db6e

212130323310 has 16 divisors (see below), whose sum is σ = 509112776016. Its totient is φ = 56568086208.

The previous prime is 212130323309. The next prime is 212130323329. The reversal of 212130323310 is 13323031212.

It is a super-2 number, since 2×2121303233102 (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 7 ways as a sum of consecutive naturals, for example, 3535505359 + ... + 3535505418.

It is an arithmetic number, because the mean of its divisors is an integer number (31819548501).

Almost surely, 2212130323310 is an apocalyptic number.

212130323310 is an abundant number, since it is smaller than the sum of its proper divisors (296982452706).

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

212130323310 is a wasteful number, since it uses less digits than its factorization.

212130323310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7071010787.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 212130323310 its reverse (13323031212), we get a palindrome (225453354522).

The spelling of 212130323310 in words is "two hundred twelve billion, one hundred thirty million, three hundred twenty-three thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 7071010777 14142021554 21213032331 35355053885 42426064662 70710107770 106065161655 212130323310