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2104931280218 = 21380958895393
BaseRepresentation
bin11110101000010111101…
…011100110010101011010
321110020012021120011221212
4132220113223212111122
5233441344401431333
64250554142303122
7305035105445564
oct36502753462532
97406167504855
102104931280218
11741772917788
1229bb49287aa2
131236568c17b0
1473c44804334
1539b4a0e7448
hex1ea17ae655a

2104931280218 has 8 divisors (see below), whose sum is σ = 3400273606548. Its totient is φ = 971506744704.

The previous prime is 2104931280217. The next prime is 2104931280253. The reversal of 2104931280218 is 8120821394012.

It can be written as a sum of positive squares in 2 ways, for example, as 2028593458369 + 76337821849 = 1424287^2 + 276293^2 .

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 (2104931280211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40479447671 + ... + 40479447722.

Almost surely, 22104931280218 is an apocalyptic number.

2104931280218 is a deficient number, since it is larger than the sum of its proper divisors (1295342326330).

2104931280218 is a wasteful number, since it uses less digits than its factorization.

2104931280218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80958895408.

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 2104931280218 in words is "two trillion, one hundred four billion, nine hundred thirty-one million, two hundred eighty thousand, two hundred eighteen".

Divisors: 1 2 13 26 80958895393 161917790786 1052465640109 2104931280218