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12101029 = 33136559
BaseRepresentation
bin101110001010…
…010110100101
3211202210111021
4232022112211
511044213104
61111211141
7204566653
oct56122645
924683437
1012101029
116915756
124076ab1
132678c95
14186ddd3
1510e0754
hexb8a5a5

12101029 has 4 divisors (see below), whose sum is σ = 12137920. Its totient is φ = 12064140.

The previous prime is 12101021. The next prime is 12101053. The reversal of 12101029 is 92010121.

12101029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12101029 - 23 = 12101021 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 (12101021) 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, 17949 + ... + 18610.

It is an arithmetic number, because the mean of its divisors is an integer number (3034480).

Almost surely, 212101029 is an apocalyptic number.

It is an amenable number.

12101029 is a deficient number, since it is larger than the sum of its proper divisors (36891).

12101029 is an equidigital number, since it uses as much as digits as its factorization.

12101029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36890.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 12101029 is about 3478.6533313913. The cubic root of 12101029 is about 229.5835501272.

The spelling of 12101029 in words is "twelve million, one hundred one thousand, twenty-nine".

Divisors: 1 331 36559 12101029