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21330130301130 = 2357233435931541
BaseRepresentation
bin1001101100110010011101…
…10101101111000011001010
32210112010210110021211210210
410312121032311233003022
510243433101324114010
6113210532050421550
74331023341025650
oct466311665570312
983463713254723
1021330130301130
11688406a530442
122485b095918b6
13bb9565765b11
1453a55328cdd0
1526eca4072b20
hex13664ed6f0ca

21330130301130 has 64 divisors (see below), whose sum is σ = 58756596956928. Its totient is φ = 4854533629440.

The previous prime is 21330130301101. The next prime is 21330130301131. The reversal of 21330130301130 is 3110303103312.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 21330130301097 and 21330130301106.

It is not an unprimeable number, because it can be changed into a prime (21330130301131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217916841 + ... + 218014700.

It is an arithmetic number, because the mean of its divisors is an integer number (918071827452).

Almost surely, 221330130301130 is an apocalyptic number.

21330130301130 is an abundant number, since it is smaller than the sum of its proper divisors (37426466655798).

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

21330130301130 is a wasteful number, since it uses less digits than its factorization.

21330130301130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435931791.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 21330130301130 its reverse (3110303103312), we get a palindrome (24440433404442).

The spelling of 21330130301130 in words is "twenty-one trillion, three hundred thirty billion, one hundred thirty million, three hundred one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 233 466 699 1165 1398 1631 2330 3262 3495 4893 6990 8155 9786 16310 24465 48930 435931541 871863082 1307794623 2179657705 2615589246 3051520787 4359315410 6103041574 6538973115 9154562361 13077946230 15257603935 18309124722 30515207870 45772811805 91545623610 101572049053 203144098106 304716147159 507860245265 609432294318 711004343371 1015720490530 1422008686742 1523580735795 2133013030113 3047161471590 3555021716855 4266026060226 7110043433710 10665065150565 21330130301130