Base | Representation |
---|---|
bin | 10111010100100011100101… |
… | …11111101110100111101100 |
3 | 20201120200112220101212010220 |
4 | 23222101302333232213230 |
5 | 23210213300214313032 |
6 | 301023245330531340 |
7 | 13542064222361214 |
oct | 1352216277564754 |
9 | 221520486355126 |
10 | 51283838822892 |
11 | 15382399059765 |
12 | 5903199a36b50 |
13 | 2280078550a10 |
14 | c94218667244 |
15 | 5de024d5312c |
hex | 2ea472fee9ec |
51283838822892 has 96 divisors (see below), whose sum is σ = 132355765807104. Its totient is φ = 15352494278400.
The previous prime is 51283838822849. The next prime is 51283838822903. The reversal of 51283838822892 is 29822883838215.
It is a super-2 number, since 2×512838388228922 (a number of 28 digits) contains 22 as substring.
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, 140602717 + ... + 140966987.
It is an arithmetic number, because the mean of its divisors is an integer number (1378705893824).
Almost surely, 251283838822892 is an apocalyptic number.
51283838822892 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
51283838822892 is an abundant number, since it is smaller than the sum of its proper divisors (81071926984212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51283838822892 is a wasteful number, since it uses less digits than its factorization.
51283838822892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 388719 (or 388717 counting only the distinct ones).
The product of its digits is 212336640, while the sum is 69.
The spelling of 51283838822892 in words is "fifty-one trillion, two hundred eighty-three billion, eight hundred thirty-eight million, eight hundred twenty-two thousand, eight hundred ninety-two".
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