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12033101 = 73164837
BaseRepresentation
bin101101111001…
…110001001101
3211122100022102
4231321301031
511040024401
61105524445
7204164633
oct55716115
924570272
1012033101
116879713
124043725
1326540a2
141853353
1510ca56b
hexb79c4d

12033101 has 4 divisors (see below), whose sum is σ = 12198012. Its totient is φ = 11868192.

The previous prime is 12033041. The next prime is 12033107. The reversal of 12033101 is 10133021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10133021 = 22944249.

It can be written as a sum of positive squares in 2 ways, for example, as 10530025 + 1503076 = 3245^2 + 1226^2 .

It is a cyclic number.

It is not a de Polignac number, because 12033101 - 26 = 12033037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82346 + ... + 82491.

It is an arithmetic number, because the mean of its divisors is an integer number (3049503).

Almost surely, 212033101 is an apocalyptic number.

It is an amenable number.

12033101 is a deficient number, since it is larger than the sum of its proper divisors (164911).

12033101 is an equidigital number, since it uses as much as digits as its factorization.

12033101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164910.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 12033101 is about 3468.8760427551. The cubic root of 12033101 is about 229.1531618415.

Adding to 12033101 its reverse (10133021), we get a palindrome (22166122).

The spelling of 12033101 in words is "twelve million, thirty-three thousand, one hundred one".

Divisors: 1 73 164837 12033101