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211404220341 = 31716325430557
BaseRepresentation
bin1100010011100010101…
…1000110011110110101
3202012200010100002210120
43010320223012132311
511430423440022331
6241041234042153
721162536136546
oct3047053063665
9665603302716
10211404220341
1181724197796
1234b7aa19359
1316c20c05052
14a3369344cd
15577475c796
hex3138ac67b5

211404220341 has 16 divisors (see below), whose sum is σ = 300284028864. Its totient is φ = 131832002304.

The previous prime is 211404220337. The next prime is 211404220367. The reversal of 211404220341 is 143022404112.

It is not a de Polignac number, because 211404220341 - 22 = 211404220337 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211404220301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12706966 + ... + 12723591.

It is an arithmetic number, because the mean of its divisors is an integer number (18767751804).

Almost surely, 2211404220341 is an apocalyptic number.

It is an amenable number.

211404220341 is a deficient number, since it is larger than the sum of its proper divisors (88879808523).

211404220341 is a wasteful number, since it uses less digits than its factorization.

211404220341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25430740.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 211404220341 its reverse (143022404112), we get a palindrome (354426624453).

The spelling of 211404220341 in words is "two hundred eleven billion, four hundred four million, two hundred twenty thousand, three hundred forty-one".

Divisors: 1 3 17 51 163 489 2771 8313 25430557 76291671 432319469 1296958407 4145180791 12435542373 70468073447 211404220341