Base | Representation |
---|---|
bin | 11110100100111111100… |
… | …100111110101100101001 |
3 | 21102212211121022220201120 |
4 | 132210333210332230221 |
5 | 233411433222310340 |
6 | 4245154305005453 |
7 | 304546212314004 |
oct | 36447744765451 |
9 | 7385747286646 |
10 | 2101305666345 |
11 | 7401822a4386 |
12 | 29b2b7023889 |
13 | 1231c9713c42 |
14 | 739bd0a853b |
15 | 399d6b764d0 |
hex | 1e93f93eb29 |
2101305666345 has 8 divisors (see below), whose sum is σ = 3362089066176. Its totient is φ = 1120696355376.
The previous prime is 2101305666331. The next prime is 2101305666347. The reversal of 2101305666345 is 5436665031012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2101305666345 - 27 = 2101305666217 is a prime.
It is a super-4 number, since 4×21013056663454 (a number of 50 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2101305666297 and 2101305666306.
It is not an unprimeable number, because it can be changed into a prime (2101305666347) 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, 70043522197 + ... + 70043522226.
It is an arithmetic number, because the mean of its divisors is an integer number (420261133272).
Almost surely, 22101305666345 is an apocalyptic number.
It is an amenable number.
2101305666345 is a deficient number, since it is larger than the sum of its proper divisors (1260783399831).
2101305666345 is a wasteful number, since it uses less digits than its factorization.
2101305666345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140087044431.
The product of its (nonzero) digits is 388800, while the sum is 42.
The spelling of 2101305666345 in words is "two trillion, one hundred one billion, three hundred five million, six hundred sixty-six thousand, three hundred forty-five".
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