Base | Representation |
---|---|
bin | 100000010011111000110111… |
… | …101111101100010001101001 |
3 | 200122011000211122102202012212 |
4 | 200103320313233230101221 |
5 | 122111213422120020312 |
6 | 1222121440125014505 |
7 | 41634456060310103 |
oct | 4023706757542151 |
9 | 618130748382185 |
10 | 142104223204457 |
11 | 41308076393148 |
12 | 13b309009b4435 |
13 | 613a4a86c6047 |
14 | 2713c49a54573 |
15 | 11666cc368822 |
hex | 813e37bec469 |
142104223204457 has 2 divisors, whose sum is σ = 142104223204458. Its totient is φ = 142104223204456.
The previous prime is 142104223204397. The next prime is 142104223204459. The reversal of 142104223204457 is 754402322401241.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 138658655666281 + 3445567538176 = 11775341^2 + 1856224^2 .
It is a cyclic number.
It is not a de Polignac number, because 142104223204457 - 26 = 142104223204393 is a prime.
It is a super-2 number, since 2×1421042232044572 (a number of 29 digits) contains 22 as substring.
Together with 142104223204459, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (142104223204459) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71052111602228 + 71052111602229.
It is an arithmetic number, because the mean of its divisors is an integer number (71052111602229).
Almost surely, 2142104223204457 is an apocalyptic number.
It is an amenable number.
142104223204457 is a deficient number, since it is larger than the sum of its proper divisors (1).
142104223204457 is an equidigital number, since it uses as much as digits as its factorization.
142104223204457 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 430080, while the sum is 41.
Adding to 142104223204457 its reverse (754402322401241), we get a palindrome (896506545605698).
The spelling of 142104223204457 in words is "one hundred forty-two trillion, one hundred four billion, two hundred twenty-three million, two hundred four thousand, four hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.092 sec. • engine limits •