Base | Representation |
---|---|
bin | 110111111000010001… |
… | …1101111111001001111 |
3 | 102110202000012121222221 |
4 | 1233300203233321033 |
5 | 3431230001120142 |
6 | 131043252520211 |
7 | 11445466224565 |
oct | 1576043577117 |
9 | 373660177887 |
10 | 120000020047 |
11 | 46989979196 |
12 | 1b30b920067 |
13 | b4151c352b |
14 | 5b4534da35 |
15 | 31c4eab767 |
hex | 1bf08efe4f |
120000020047 has 2 divisors, whose sum is σ = 120000020048. Its totient is φ = 120000020046.
The previous prime is 120000020009. The next prime is 120000020069. The reversal of 120000020047 is 740020000021.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 120000020047 - 235 = 85640281679 is a prime.
It is a super-2 number, since 2×1200000200472 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 120000020047.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120000021047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000010023 + 60000010024.
It is an arithmetic number, because the mean of its divisors is an integer number (60000010024).
Almost surely, 2120000020047 is an apocalyptic number.
120000020047 is a deficient number, since it is larger than the sum of its proper divisors (1).
120000020047 is an equidigital number, since it uses as much as digits as its factorization.
120000020047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 112, while the sum is 16.
Adding to 120000020047 its reverse (740020000021), we get a palindrome (860020020068).
The spelling of 120000020047 in words is "one hundred twenty billion, twenty thousand, forty-seven".
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