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120021232230 = 23251996701353
BaseRepresentation
bin110111111000111010…
…0101010101001100110
3102110210111010022122100
41233301310222221212
53431300413412410
6131045331312530
711446144432644
oct1576164525146
9373714108570
10120021232230
114699a947219
121b316a4b746
13b41970c613
145b480b2194
1531c6c9b8c0
hex1bf1d2aa66

120021232230 has 48 divisors (see below), whose sum is σ = 313623367200. Its totient is φ = 31844824704.

The previous prime is 120021232229. The next prime is 120021232267. The reversal of 120021232230 is 32232120021.

120021232230 is a `hidden beast` number, since 1 + 200 + 2 + 1 + 232 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3332767 + ... + 3368586.

It is an arithmetic number, because the mean of its divisors is an integer number (6533820150).

Almost surely, 2120021232230 is an apocalyptic number.

120021232230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120021232230 is an abundant number, since it is smaller than the sum of its proper divisors (193602134970).

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

120021232230 is a wasteful number, since it uses less digits than its factorization.

120021232230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6701565 (or 6701562 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 120021232230 its reverse (32232120021), we get a palindrome (152253352251).

The spelling of 120021232230 in words is "one hundred twenty billion, twenty-one million, two hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 199 398 597 995 1194 1791 1990 2985 3582 5970 8955 17910 6701353 13402706 20104059 33506765 40208118 60312177 67013530 100520295 120624354 201040590 301560885 603121770 1333569247 2667138494 4000707741 6667846235 8001415482 12002123223 13335692470 20003538705 24004246446 40007077410 60010616115 120021232230