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2106910310399 = 56925511451521
BaseRepresentation
bin11110101010001101101…
…000111111111111111111
321110102022012110022222222
4132222031220333333333
5234004423014413044
64251522355555555
7305135126102066
oct36521550777777
97412265408888
102106910310399
11742598a41414
122a03bbbbbbbb
131238b090617b
1473d915a11dd
1539c13c168ee
hex1ea8da3ffff

2106910310399 has 8 divisors (see below), whose sum is σ = 2111441962080. Its totient is φ = 2102381568000.

The previous prime is 2106910310389. The next prime is 2106910310443. The reversal of 2106910310399 is 9930130196012.

It is a Cunningham number, because it is equal to 14515202-1.

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 2106910310399 - 220 = 2106909261823 is a prime.

It is a super-2 number, since 2×21069103103992 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106910310359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725759 + ... + 2177279.

It is an arithmetic number, because the mean of its divisors is an integer number (263930245260).

Almost surely, 22106910310399 is an apocalyptic number.

2106910310399 is a deficient number, since it is larger than the sum of its proper divisors (4531651681).

2106910310399 is a wasteful number, since it uses less digits than its factorization.

2106910310399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454641.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 2106910310399 in words is "two trillion, one hundred six billion, nine hundred ten million, three hundred ten thousand, three hundred ninety-nine".

Divisors: 1 569 2551 1451519 1451521 825915449 3702830071 2106910310399