Base | Representation |
---|---|
bin | 11110101010001101101… |
… | …000111111111111111111 |
3 | 21110102022012110022222222 |
4 | 132222031220333333333 |
5 | 234004423014413044 |
6 | 4251522355555555 |
7 | 305135126102066 |
oct | 36521550777777 |
9 | 7412265408888 |
10 | 2106910310399 |
11 | 742598a41414 |
12 | 2a03bbbbbbbb |
13 | 1238b090617b |
14 | 73d915a11dd |
15 | 39c13c168ee |
hex | 1ea8da3ffff |
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".
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