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10213101243 = 33378263009
BaseRepresentation
bin10011000001011111…
…11000111010111011
3222100202202022002000
421200233320322323
5131404023214433
64405234112043
7511042633242
oct114057707273
928322668060
1010213101243
114371036144
121b9041b623
13c69bb0a97
146cc595959
153eb954113
hex260bf8ebb

10213101243 has 8 divisors (see below), whose sum is σ = 15130520400. Its totient is φ = 6808734144.

The previous prime is 10213101233. The next prime is 10213101289. The reversal of 10213101243 is 34210131201.

It is not a de Polignac number, because 10213101243 - 221 = 10211004091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10213101233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189131478 + ... + 189131531.

It is an arithmetic number, because the mean of its divisors is an integer number (1891315050).

Almost surely, 210213101243 is an apocalyptic number.

10213101243 is a deficient number, since it is larger than the sum of its proper divisors (4917419157).

10213101243 is an equidigital number, since it uses as much as digits as its factorization.

10213101243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378263018 (or 378263012 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10213101243 its reverse (34210131201), we get a palindrome (44423232444).

The spelling of 10213101243 in words is "ten billion, two hundred thirteen million, one hundred one thousand, two hundred forty-three".

Divisors: 1 3 9 27 378263009 1134789027 3404367081 10213101243