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211321013312130 = 235171364293037147
BaseRepresentation
bin110000000011001000000001…
…111011101001101010000010
31000201020002110202110121210120
4300003020001323221222002
5210144240413401442010
62025235311110241110
762340303464604261
oct6003100173515202
91021202422417716
10211321013312130
1161373813983a17
121b84b517956196
1390bb641b07927
143a27dc4dd85d8
151966e27ad3e70
hexc03201ee9a82

211321013312130 has 64 divisors (see below), whose sum is σ = 537008099725440. Its totient is φ = 53037024574464.

The previous prime is 211321013312119. The next prime is 211321013312219. The reversal of 211321013312130 is 31213310123112.

It is a self number, because there is not a number n which added to its sum of digits gives 211321013312130.

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, 68060217 + ... + 71097363.

It is an arithmetic number, because the mean of its divisors is an integer number (8390751558210).

Almost surely, 2211321013312130 is an apocalyptic number.

211321013312130 is an abundant number, since it is smaller than the sum of its proper divisors (325687086413310).

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

211321013312130 is a wasteful number, since it uses less digits than its factorization.

211321013312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173603.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 211321013312130 its reverse (31213310123112), we get a palindrome (242534323435242).

The spelling of 211321013312130 in words is "two hundred eleven trillion, three hundred twenty-one billion, thirteen million, three hundred twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 136429 272858 409287 682145 818574 1364290 2046435 2319293 3037147 4092870 4638586 6074294 6957879 9111441 11596465 13915758 15185735 18222882 23192930 30371470 34789395 45557205 51631499 69578790 91114410 103262998 154894497 258157495 309788994 516314990 774472485 1548944970 414354928063 828709856126 1243064784189 2071774640315 2486129568378 4143549280630 6215323920945 7044033777071 12430647841890 14088067554142 21132101331213 35220168885355 42264202662426 70440337770710 105660506656065 211321013312130