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1013868845 = 51118433979
BaseRepresentation
bin111100011011100…
…110100100101101
32121122202212120222
4330123212210231
54034022300340
6244334421125
734060512563
oct7433464455
92548685528
101013868845
11480336740
122436617a5
131320849c2
149891ba33
155e0208b5
hex3c6e692d

1013868845 has 8 divisors (see below), whose sum is σ = 1327246560. Its totient is φ = 737359120.

The previous prime is 1013868839. The next prime is 1013868851. The reversal of 1013868845 is 5488683101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1013868839) and next prime (1013868851).

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

It is not a de Polignac number, because 1013868845 - 24 = 1013868829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1013868796 and 1013868805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9216935 + ... + 9217044.

It is an arithmetic number, because the mean of its divisors is an integer number (165905820).

Almost surely, 21013868845 is an apocalyptic number.

It is an amenable number.

1013868845 is a deficient number, since it is larger than the sum of its proper divisors (313377715).

1013868845 is a wasteful number, since it uses less digits than its factorization.

1013868845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18433995.

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 1013868845 is about 31841.3072124874. The cubic root of 1013868845 is about 1004.6017398416.

The spelling of 1013868845 in words is "one billion, thirteen million, eight hundred sixty-eight thousand, eight hundred forty-five".

Divisors: 1 5 11 55 18433979 92169895 202773769 1013868845