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2108682926405 = 51173587894721
BaseRepresentation
bin11110101011110111010…
…010111111100101000101
321110120212201221120000122
4132223313102333211011
5234022040312121110
64252414321151325
7305230062064556
oct36536722774505
97416781846018
102108682926405
117433185a2020
122a081578b545
13123b03c28b93
14740bcb8a32d
1539cb9661255
hex1eaf74bf945

2108682926405 has 32 divisors (see below), whose sum is σ = 2803042343808. Its totient is φ = 1510001049600.

The previous prime is 2108682926387. The next prime is 2108682926419. The reversal of 2108682926405 is 5046292868012.

It is not a de Polignac number, because 2108682926405 - 28 = 2108682926149 is a prime.

It is a super-2 number, since 2×21086829264052 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1909445 + ... + 2804165.

It is an arithmetic number, because the mean of its divisors is an integer number (87595073244).

Almost surely, 22108682926405 is an apocalyptic number.

It is an amenable number.

2108682926405 is a deficient number, since it is larger than the sum of its proper divisors (694359417403).

2108682926405 is a wasteful number, since it uses less digits than its factorization.

2108682926405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895397.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 2108682926405 in words is "two trillion, one hundred eight billion, six hundred eighty-two million, nine hundred twenty-six thousand, four hundred five".

Divisors: 1 5 11 55 73 365 587 803 2935 4015 6457 32285 42851 214255 471361 894721 2356805 4473605 9841931 49209655 65314633 326573165 525201227 718460963 2626006135 3592304815 5777213497 28886067485 38339689571 191698447855 421736585281 2108682926405