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2108997580799 = 11611691816271
BaseRepresentation
bin11110101100001010000…
…011010011011111111111
321110121200200000122201002
4132230022003103133333
5234023211340041144
64252505441240515
7305240632440404
oct36541203233777
97417620018632
102108997580799
1174346a17557a
122a08a303313b
13123b54187c05
147410c8962ab
1539cd70b714e
hex1eb0a0d37ff

2108997580799 has 4 divisors (see below), whose sum is σ = 2109000558240. Its totient is φ = 2108994603360.

The previous prime is 2108997580783. The next prime is 2108997580849. The reversal of 2108997580799 is 9970857998012.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2108997580799 - 24 = 2108997580783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108997580709) 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, 253034 + ... + 2069304.

It is an arithmetic number, because the mean of its divisors is an integer number (527250139560).

Almost surely, 22108997580799 is an apocalyptic number.

2108997580799 is a deficient number, since it is larger than the sum of its proper divisors (2977441).

2108997580799 is a wasteful number, since it uses less digits than its factorization.

2108997580799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977440.

The product of its (nonzero) digits is 205752960, while the sum is 74.

The spelling of 2108997580799 in words is "two trillion, one hundred eight billion, nine hundred ninety-seven million, five hundred eighty thousand, seven hundred ninety-nine".

Divisors: 1 1161169 1816271 2108997580799