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101000033 = 531905661
BaseRepresentation
bin1100000010100…
…10001101100001
321001001022222222
412001102031201
5201324000113
614004440425
72334325511
oct601221541
9231038888
10101000033
1152014902
12299a9115
1317c03a44
14d5b1841
158d00e08
hex6052361

101000033 has 4 divisors (see below), whose sum is σ = 102905748. Its totient is φ = 99094320.

The previous prime is 101000027. The next prime is 101000051. The reversal of 101000033 is 330000101.

Adding to 101000033 its reverse (330000101), we get a palindrome (431000134).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330000101 = 536226417.

It can be written as a sum of positive squares in 2 ways, for example, as 83594449 + 17405584 = 9143^2 + 4172^2 .

It is a cyclic number.

It is not a de Polignac number, because 101000033 - 28 = 100999777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101000023) 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, 952778 + ... + 952883.

It is an arithmetic number, because the mean of its divisors is an integer number (25726437).

Almost surely, 2101000033 is an apocalyptic number.

It is an amenable number.

101000033 is a deficient number, since it is larger than the sum of its proper divisors (1905715).

101000033 is an equidigital number, since it uses as much as digits as its factorization.

101000033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905714.

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 101000033 is about 10049.8772629321. The cubic root of 101000033 is about 465.7010015003.

The spelling of 101000033 in words is "one hundred one million, thirty-three", and thus it is an aban number.

Divisors: 1 53 1905661 101000033