Base | Representation |
---|---|
bin | 11101100001000011101… |
… | …001000010010111001001 |
3 | 21011220112212001101001012 |
4 | 131201003221002113021 |
5 | 231213040001113021 |
6 | 4151452045133305 |
7 | 266354431245200 |
oct | 35410351022711 |
9 | 7156485041035 |
10 | 2028359394761 |
11 | 712249aa9917 |
12 | 28913955a235 |
13 | 119372a7752b |
14 | 7025d074237 |
15 | 37b67a8635b |
hex | 1d843a425c9 |
2028359394761 has 24 divisors (see below), whose sum is σ = 2492672143680. Its totient is φ = 1641142454112.
The previous prime is 2028359394731. The next prime is 2028359394779. The reversal of 2028359394761 is 1674939538202.
It is a happy number.
It is not a de Polignac number, because 2028359394761 - 226 = 2028292285897 is a prime.
It is a super-2 number, since 2×20283593947612 (a number of 25 digits) contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2028359394761.
It is not an unprimeable number, because it can be changed into a prime (2028359394731) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3674765 + ... + 4190538.
It is an arithmetic number, because the mean of its divisors is an integer number (103861339320).
It is a 1-persistent number, because it is pandigital, but 2⋅2028359394761 = 4056718789522 is not.
Almost surely, 22028359394761 is an apocalyptic number.
It is an amenable number.
2028359394761 is a deficient number, since it is larger than the sum of its proper divisors (464312748919).
2028359394761 is a wasteful number, since it uses less digits than its factorization.
2028359394761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7865613 (or 7865606 counting only the distinct ones).
The product of its (nonzero) digits is 19595520, while the sum is 59.
The spelling of 2028359394761 in words is "two trillion, twenty-eight billion, three hundred fifty-nine million, three hundred ninety-four thousand, seven hundred sixty-one".
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