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229214130021 = 3315156221273
BaseRepresentation
bin1101010101111000111…
…0100000111101100101
3210220122022211020221000
43111132032200331211
512223412304130041
6253144410143513
722363065646512
oct3253616407545
9726568736830
10229214130021
1189233445508
123850b421b99
13187cb93aa46
14b145ddc309
155e680b7bb6
hex355e3a0f65

229214130021 has 16 divisors (see below), whose sum is σ = 341825345920. Its totient is φ = 151797434400.

The previous prime is 229214129999. The next prime is 229214130031. The reversal of 229214130021 is 120031412922.

229214130021 is a `hidden beast` number, since 229 + 2 + 1 + 413 + 0 + 0 + 21 = 666.

It is not a de Polignac number, because 229214130021 - 235 = 194854391653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229214130031) 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, 28106560 + ... + 28114713.

It is an arithmetic number, because the mean of its divisors is an integer number (21364084120).

Almost surely, 2229214130021 is an apocalyptic number.

It is an amenable number.

229214130021 is a deficient number, since it is larger than the sum of its proper divisors (112611215899).

229214130021 is a wasteful number, since it uses less digits than its factorization.

229214130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56221433 (or 56221427 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 229214130021 its reverse (120031412922), we get a palindrome (349245542943).

The spelling of 229214130021 in words is "two hundred twenty-nine billion, two hundred fourteen million, one hundred thirty thousand, twenty-one".

Divisors: 1 3 9 27 151 453 1359 4077 56221273 168663819 505991457 1517974371 8489412223 25468236669 76404710007 229214130021