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10020113 = 41244393
BaseRepresentation
bin100110001110…
…010100010001
3200212002000022
4212032110101
510031120423
6554433225
7151112105
oct46162421
920762008
1010020113
115724294
123432815
1320caa7c
14148b905
15d2ddc8
hex98e511

10020113 has 4 divisors (see below), whose sum is σ = 10264548. Its totient is φ = 9775680.

The previous prime is 10020107. The next prime is 10020121. The reversal of 10020113 is 31102001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31102001 = 74443143.

It can be written as a sum of positive squares in 2 ways, for example, as 3139984 + 6880129 = 1772^2 + 2623^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020113 - 24 = 10020097 is a prime.

It is a Duffinian number.

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 10020113.

It is not an unprimeable number, because it can be changed into a prime (10020103) 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, 122156 + ... + 122237.

It is an arithmetic number, because the mean of its divisors is an integer number (2566137).

Almost surely, 210020113 is an apocalyptic number.

It is an amenable number.

10020113 is a deficient number, since it is larger than the sum of its proper divisors (244435).

10020113 is an equidigital number, since it uses as much as digits as its factorization.

10020113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244434.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 10020113 is about 3165.4562072472. The cubic root of 10020113 is about 215.5878127566.

Adding to 10020113 its reverse (31102001), we get a palindrome (41122114).

The spelling of 10020113 in words is "ten million, twenty thousand, one hundred thirteen".

Divisors: 1 41 244393 10020113