Base | Representation |
---|---|
bin | 10111001100101001110100… |
… | …10101001100111111000010 |
3 | 20200121201200021000012012200 |
4 | 23212110322111030333002 |
5 | 23141241200113230310 |
6 | 300254421323134030 |
7 | 13513342322636631 |
oct | 1346247225147702 |
9 | 220551607005180 |
10 | 51012305211330 |
11 | 15288219449421 |
12 | 587a639974316 |
13 | 2260594157148 |
14 | c85019ddb518 |
15 | 5d6e318349c0 |
hex | 2e653a54cfc2 |
51012305211330 has 48 divisors (see below), whose sum is σ = 135866920231224. Its totient is φ = 13271494037760.
The previous prime is 51012305211281. The next prime is 51012305211347. The reversal of 51012305211330 is 3311250321015.
51012305211330 is a `hidden beast` number, since 5 + 1 + 0 + 1 + 2 + 3 + 0 + 521 + 133 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 32143559081841 + 18868746129489 = 5669529^2 + 4343817^2 .
It is a junction number, because it is equal to n+sod(n) for n = 51012305211294 and 51012305211303.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6912232789 + ... + 6912240168.
Almost surely, 251012305211330 is an apocalyptic number.
51012305211330 is an abundant number, since it is smaller than the sum of its proper divisors (84854615019894).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51012305211330 is a wasteful number, since it uses less digits than its factorization.
51012305211330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13824473011 (or 13824473008 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 27.
Adding to 51012305211330 its reverse (3311250321015), we get a palindrome (54323555532345).
The spelling of 51012305211330 in words is "fifty-one trillion, twelve billion, three hundred five million, two hundred eleven thousand, three hundred thirty".
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