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2104931280239 = 7635132756903
BaseRepresentation
bin11110101000010111101…
…011100110010101101111
321110020012021120011222122
4132220113223212111233
5233441344401431424
64250554142303155
7305035105445624
oct36502753462557
97406167504878
102104931280239
117417729177a7
1229bb49287abb
131236568c17c8
1473c4480434b
1539b4a0e745e
hex1ea17ae656f

2104931280239 has 4 divisors (see below), whose sum is σ = 2104934800656. Its totient is φ = 2104927759824.

The previous prime is 2104931280217. The next prime is 2104931280253. The reversal of 2104931280239 is 9320821394012.

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 2104931280239 - 228 = 2104662844783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2104931280239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104931280839) 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, 614939 + ... + 2141964.

It is an arithmetic number, because the mean of its divisors is an integer number (526233700164).

Almost surely, 22104931280239 is an apocalyptic number.

2104931280239 is a deficient number, since it is larger than the sum of its proper divisors (3520417).

2104931280239 is an equidigital number, since it uses as much as digits as its factorization.

2104931280239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520416.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 2104931280239 in words is "two trillion, one hundred four billion, nine hundred thirty-one million, two hundred eighty thousand, two hundred thirty-nine".

Divisors: 1 763513 2756903 2104931280239