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10420122242 = 214293645949
BaseRepresentation
bin10011011010001011…
…00111001010000010
3222220012022001111102
421231011213022002
5132320022402432
64441551214402
7516135402065
oct115505471202
928805261442
1010420122242
114467984082
122029817402
13ca0a55a0a
1470bc848dc
1540ebe8962
hex26d167282

10420122242 has 8 divisors (see below), whose sum is σ = 15641125500. Its totient is φ = 5206413744.

The previous prime is 10420122221. The next prime is 10420122247. The reversal of 10420122242 is 24222102401.

It is a Cunningham number, because it is equal to 1020792+1.

It can be written as a sum of positive squares in 2 ways, for example, as 10420122241 + 1 = 102079^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10420122247) 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, 1820117 + ... + 1825832.

Almost surely, 210420122242 is an apocalyptic number.

10420122242 is a deficient number, since it is larger than the sum of its proper divisors (5221003258).

10420122242 is a wasteful number, since it uses less digits than its factorization.

10420122242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647380.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 10420122242 its reverse (24222102401), we get a palindrome (34642224643).

The spelling of 10420122242 in words is "ten billion, four hundred twenty million, one hundred twenty-two thousand, two hundred forty-two".

Divisors: 1 2 1429 2858 3645949 7291898 5210061121 10420122242