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232113211220 = 225118811197571
BaseRepresentation
bin1101100000101100000…
…1101000011101010100
3211012010100221211200202
43120023001220131110
512300331440224340
6254344211400032
722524660512342
oct3301301503524
9735110854622
10232113211220
118a490947090
1238b9a2b3018
1318b714494c7
14b33d054992
156087874c15
hex360b068754

232113211220 has 48 divisors (see below), whose sum is σ = 532354286016. Its totient is φ = 84308928000.

The previous prime is 232113211217. The next prime is 232113211237. The reversal of 232113211220 is 22112311232.

232113211220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 232113211192 and 232113211201.

It is a congruent number.

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, 404966 + ... + 792605.

It is an arithmetic number, because the mean of its divisors is an integer number (11090714292).

Almost surely, 2232113211220 is an apocalyptic number.

232113211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232113211220 is an abundant number, since it is smaller than the sum of its proper divisors (300241074796).

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

232113211220 is a wasteful number, since it uses less digits than its factorization.

232113211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198472 (or 1198470 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 232113211220 its reverse (22112311232), we get a palindrome (254225522452).

The spelling of 232113211220 in words is "two hundred thirty-two billion, one hundred thirteen million, two hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 881 1762 3524 4405 8810 9691 17620 19382 38764 48455 96910 193820 1197571 2395142 4790284 5987855 11975710 13173281 23951420 26346562 52693124 65866405 131732810 263465620 1055060051 2110120102 4220240204 5275300255 10550600510 11605660561 21101201020 23211321122 46422642244 58028302805 116056605610 232113211220