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211422213320 = 23511779448727
BaseRepresentation
bin1100010011100110111…
…1101111010011001000
3202012201101012020112012
43010321233233103020
511430443041311240
6241043115435052
721163145106323
oct3047157572310
9665641166465
10211422213320
118173336711a
1234b84a55a88
1316c24864a96
14a3390997ba
155776113b65
hex3139bef4c8

211422213320 has 32 divisors (see below), whose sum is σ = 475741425600. Its totient is φ = 84561517248.

The previous prime is 211422213253. The next prime is 211422213329. The reversal of 211422213320 is 23312224112.

211422213320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (211422213329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246797 + ... + 695523.

It is an arithmetic number, because the mean of its divisors is an integer number (14866919550).

Almost surely, 2211422213320 is an apocalyptic number.

211422213320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211422213320 is an abundant number, since it is smaller than the sum of its proper divisors (264319212280).

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

211422213320 is a wasteful number, since it uses less digits than its factorization.

211422213320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460517 (or 460513 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 211422213320 its reverse (23312224112), we get a palindrome (234734437432).

The spelling of 211422213320 in words is "two hundred eleven billion, four hundred twenty-two million, two hundred thirteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 11779 23558 47116 58895 94232 117790 235580 448727 471160 897454 1794908 2243635 3589816 4487270 8974540 17949080 5285555333 10571110666 21142221332 26427776665 42284442664 52855553330 105711106660 211422213320