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10201023113 = 51071997459
BaseRepresentation
bin10011000000000011…
…10100001010001001
3222022221000122222212
421200001310022021
5131342430214423
64404123154505
7510535160111
oct114001641211
928287018885
1010201023113
114365236716
121b88375a35
13c67542368
146cab30041
153ea86a578
hex260074289

10201023113 has 4 divisors (see below), whose sum is σ = 10203025680. Its totient is φ = 10199020548.

The previous prime is 10201023109. The next prime is 10201023127. The reversal of 10201023113 is 31132010201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31132010201 = 52861588941.

It is a cyclic number.

It is not a de Polignac number, because 10201023113 - 22 = 10201023109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201020113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993623 + ... + 1003836.

It is an arithmetic number, because the mean of its divisors is an integer number (2550756420).

Almost surely, 210201023113 is an apocalyptic number.

It is an amenable number.

10201023113 is a deficient number, since it is larger than the sum of its proper divisors (2002567).

10201023113 is an equidigital number, since it uses as much as digits as its factorization.

10201023113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002566.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10201023113 its reverse (31132010201), we get a palindrome (41333033314).

The spelling of 10201023113 in words is "ten billion, two hundred one million, twenty-three thousand, one hundred thirteen".

Divisors: 1 5107 1997459 10201023113