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12101130 = 233544819
BaseRepresentation
bin101110001010…
…011000001010
3211202210122000
4232022120022
511044214010
61111211430
7204600156
oct56123012
924683560
1012101130
116915838
124076b76
132679042
141870066
1510e07c0
hexb8a60a

12101130 has 32 divisors (see below), whose sum is σ = 32270400. Its totient is φ = 3226896.

The previous prime is 12101123. The next prime is 12101147. The reversal of 12101130 is 3110121.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon 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, 22140 + ... + 22679.

It is an arithmetic number, because the mean of its divisors is an integer number (1008450).

Almost surely, 212101130 is an apocalyptic number.

12101130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101130 is an abundant number, since it is smaller than the sum of its proper divisors (20169270).

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

12101130 is a wasteful number, since it uses less digits than its factorization.

12101130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44835 (or 44829 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 12101130 is about 3478.6678484730. The cubic root of 12101130 is about 229.5841888573.

Adding to 12101130 its reverse (3110121), we get a palindrome (15211251).

The spelling of 12101130 in words is "twelve million, one hundred one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 44819 89638 134457 224095 268914 403371 448190 672285 806742 1210113 1344570 2016855 2420226 4033710 6050565 12101130