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10243111423 = 83123410981
BaseRepresentation
bin10011000101000100…
…10111100111111111
3222102212012222022011
421202202113213333
5131434214031143
64412225232051
7511556003416
oct114242274777
928385188264
1010243111423
114386a73246
121b9a492627
13c7318a59c
146d256847d
153ee3d0e9d
hex2628979ff

10243111423 has 4 divisors (see below), whose sum is σ = 10366522488. Its totient is φ = 10119700360.

The previous prime is 10243111381. The next prime is 10243111429. The reversal of 10243111423 is 32411134201.

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

It is a cyclic number.

It is not a de Polignac number, because 10243111423 - 213 = 10243103231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10243111394 and 10243111403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243111429) 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, 61705408 + ... + 61705573.

It is an arithmetic number, because the mean of its divisors is an integer number (2591630622).

Almost surely, 210243111423 is an apocalyptic number.

10243111423 is a deficient number, since it is larger than the sum of its proper divisors (123411065).

10243111423 is an equidigital number, since it uses as much as digits as its factorization.

10243111423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123411064.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 10243111423 its reverse (32411134201), we get a palindrome (42654245624).

The spelling of 10243111423 in words is "ten billion, two hundred forty-three million, one hundred eleven thousand, four hundred twenty-three".

Divisors: 1 83 123410981 10243111423