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21232313023130 = 2511734712627173
BaseRepresentation
bin1001101001111100010000…
…11110011011101010011010
32210011210022101211021020122
410310332020132123222122
510240332234113220010
6113053553454553242
74320661336625306
oct464761036335232
983153271737218
1021232313023130
1168466341a3720
12246ab6a808822
13bb0277218571
1453591408cd06
1526c47b790855
hex134f8879ba9a

21232313023130 has 32 divisors (see below), whose sum is σ = 41693125275648. Its totient is φ = 7720733073600.

The previous prime is 21232313023111. The next prime is 21232313023169. The reversal of 21232313023130 is 3132031323212.

It is a super-2 number, since 2×212323130231302 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21232313023130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6768224 + ... + 9395396.

It is an arithmetic number, because the mean of its divisors is an integer number (1302910164864).

Almost surely, 221232313023130 is an apocalyptic number.

21232313023130 is a deficient number, since it is larger than the sum of its proper divisors (20460812252518).

21232313023130 is a wasteful number, since it uses less digits than its factorization.

21232313023130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700662.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 21232313023130 its reverse (3132031323212), we get a palindrome (24364344346342).

The spelling of 21232313023130 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred thirteen million, twenty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 73471 146942 367355 734710 808181 1616362 2627173 4040905 5254346 8081810 13135865 26271730 28898903 57797806 144494515 288989030 193021027483 386042054966 965105137415 1930210274830 2123231302313 4246462604626 10616156511565 21232313023130