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101040101 = 531906417
BaseRepresentation
bin1100000010110…
…11111111100101
321001010100221222
412001123333211
5201331240401
614005350125
72334553361
oct601337745
9231110858
10101040101
1152041a18
1229a08345
1317c19056
14d5c22a1
158d0cc1b
hex605bfe5

101040101 has 4 divisors (see below), whose sum is σ = 102946572. Its totient is φ = 99133632.

The previous prime is 101040077. The next prime is 101040139.

101040101 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81450625 + 19589476 = 9025^2 + 4426^2 .

It is a cyclic number.

It is not a de Polignac number, because 101040101 - 214 = 101023717 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 (101040151) 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, 953156 + ... + 953261.

It is an arithmetic number, because the mean of its divisors is an integer number (25736643).

Almost surely, 2101040101 is an apocalyptic number.

It is an amenable number.

101040101 is a deficient number, since it is larger than the sum of its proper divisors (1906471).

101040101 is an equidigital number, since it uses as much as digits as its factorization.

101040101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906470.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 101040101 is about 10051.8705224451. The cubic root of 101040101 is about 465.7625765322.

The spelling of 101040101 in words is "one hundred one million, forty thousand, one hundred one".

Divisors: 1 53 1906417 101040101