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12011010 = 23511172141
BaseRepresentation
bin101101110100…
…011000000010
3211121020000020
4231310120002
511033323020
61105234310
7204043344
oct55643002
924536006
1012011010
116864060
124032996
13264700b
141849294
1510c3c40
hexb74602

12011010 has 64 divisors (see below), whose sum is σ = 33312384. Its totient is φ = 2739200.

The previous prime is 12011009. The next prime is 12011029. The reversal of 12011010 is 1011021.

It is a super-2 number, since 2×120110102 = 288528722440200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12011010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4540 + ... + 6680.

It is an arithmetic number, because the mean of its divisors is an integer number (520506).

Almost surely, 212011010 is an apocalyptic number.

12011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12011010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16656192).

12011010 is an abundant number, since it is smaller than the sum of its proper divisors (21301374).

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

12011010 is a wasteful number, since it uses less digits than its factorization.

12011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 12011010 is about 3465.6904074080. The cubic root of 12011010 is about 229.0128454621.

Adding to 12011010 its reverse (1011021), we get a palindrome (13022031).

It can be divided in two parts, 1201 and 1010, that added together give a triangular number (2211 = T66).

The spelling of 12011010 in words is "twelve million, eleven thousand, ten".

Divisors: 1 2 3 5 6 10 11 15 17 22 30 33 34 51 55 66 85 102 110 165 170 187 255 330 374 510 561 935 1122 1870 2141 2805 4282 5610 6423 10705 12846 21410 23551 32115 36397 47102 64230 70653 72794 109191 117755 141306 181985 218382 235510 353265 363970 400367 545955 706530 800734 1091910 1201101 2001835 2402202 4003670 6005505 12011010