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211422211086 = 231914912446851
BaseRepresentation
bin1100010011100110111…
…1101110110000001110
3202012201101012010110110
43010321233232300032
511430443041223321
6241043115420450
721163145066652
oct3047157566016
9665641163413
10211422211086
1181733365479
1234b84a54726
1316c24863a68
14a339098a62
155776113176
hex3139beec0e

211422211086 has 32 divisors (see below), whose sum is σ = 448086672000. Its totient is φ = 66316816800.

The previous prime is 211422211019. The next prime is 211422211087. The reversal of 211422211086 is 680112224112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211422211087) 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, 6206440 + ... + 6240411.

It is an arithmetic number, because the mean of its divisors is an integer number (14002708500).

Almost surely, 2211422211086 is an apocalyptic number.

211422211086 is an abundant number, since it is smaller than the sum of its proper divisors (236664460914).

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

211422211086 is a wasteful number, since it uses less digits than its factorization.

211422211086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12447024.

The product of its (nonzero) digits is 3072, while the sum is 30.

Adding to 211422211086 its reverse (680112224112), we get a palindrome (891534435198).

The spelling of 211422211086 in words is "two hundred eleven billion, four hundred twenty-two million, two hundred eleven thousand, eighty-six".

Divisors: 1 2 3 6 19 38 57 114 149 298 447 894 2831 5662 8493 16986 12446851 24893702 37340553 74681106 236490169 472980338 709470507 1418941014 1854580799 3709161598 5563742397 11127484794 35237035181 70474070362 105711105543 211422211086