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212020021102110 = 23513543641079749
BaseRepresentation
bin110000001101010011000010…
…000010110000011000011110
31000210200220201210221112021020
4300031103002002300120132
5210242214000400231420
62030532353021145010
762441640526023234
oct6015230202603036
91023626653845236
10212020021102110
116161320561a531
121b942a980bb166
13913c52c834340
143a4db7661c954
15197a1d99e8340
hexc0d4c20b061e

212020021102110 has 32 divisors (see below), whose sum is σ = 547990208388000. Its totient is φ = 52189543655808.

The previous prime is 212020021102103. The next prime is 212020021102129. The reversal of 212020021102110 is 11201120020212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212020021102110.

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, 271820539485 + ... + 271820540264.

It is an arithmetic number, because the mean of its divisors is an integer number (17124694012125).

Almost surely, 2212020021102110 is an apocalyptic number.

212020021102110 is an abundant number, since it is smaller than the sum of its proper divisors (335970187285890).

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

212020021102110 is a wasteful number, since it uses less digits than its factorization.

212020021102110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543641079772.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212020021102110 its reverse (11201120020212), we get a palindrome (223221141122322).

The spelling of 212020021102110 in words is "two hundred twelve trillion, twenty billion, twenty-one million, one hundred two thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 543641079749 1087282159498 1630923239247 2718205398745 3261846478494 5436410797490 7067334036737 8154616196235 14134668073474 16309232392470 21202002110211 35336670183685 42404004220422 70673340367370 106010010551055 212020021102110