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10120442015 = 52278916689
BaseRepresentation
bin10010110110011100…
…11011000010011111
3222010022101201111202
421123032123002133
5131211313121030
64352124110115
7505536223565
oct113316330237
928108351452
1010120442015
1143237a8972
121b6539533b
13c5393a638
146c0155a35
153e374e745
hex25b39b09f

10120442015 has 8 divisors (see below), whose sum is σ = 12198031920. Its totient is φ = 8060685952.

The previous prime is 10120441999. The next prime is 10120442021. The reversal of 10120442015 is 51024402101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10120442015 - 24 = 10120441999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4457210 + ... + 4459479.

It is an arithmetic number, because the mean of its divisors is an integer number (1524753990).

Almost surely, 210120442015 is an apocalyptic number.

10120442015 is a deficient number, since it is larger than the sum of its proper divisors (2077589905).

10120442015 is an equidigital number, since it uses as much as digits as its factorization.

10120442015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8916921.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 10120442015 its reverse (51024402101), we get a palindrome (61144844116).

The spelling of 10120442015 in words is "ten billion, one hundred twenty million, four hundred forty-two thousand, fifteen".

Divisors: 1 5 227 1135 8916689 44583445 2024088403 10120442015