Base | Representation |
---|---|
bin | 1000010001101111010… |
… | …1111101010010000111 |
3 | 111121001020100211001201 |
4 | 2010123311331102013 |
5 | 4312211432101442 |
6 | 145154250003331 |
7 | 13162605661264 |
oct | 2043365752207 |
9 | 447036324051 |
10 | 142201050247 |
11 | 55341870833 |
12 | 23686a16547 |
13 | 105428a06a9 |
14 | 6c4daa026b |
15 | 3a740997b7 |
hex | 211bd7d487 |
142201050247 has 2 divisors, whose sum is σ = 142201050248. Its totient is φ = 142201050246.
The previous prime is 142201050221. The next prime is 142201050293. The reversal of 142201050247 is 742050102241.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 142201050247 - 215 = 142201017479 is a prime.
It is a super-2 number, since 2×1422010502472 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142201050217) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71100525123 + 71100525124.
It is an arithmetic number, because the mean of its divisors is an integer number (71100525124).
Almost surely, 2142201050247 is an apocalyptic number.
142201050247 is a deficient number, since it is larger than the sum of its proper divisors (1).
142201050247 is an equidigital number, since it uses as much as digits as its factorization.
142201050247 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4480, while the sum is 28.
Adding to 142201050247 its reverse (742050102241), we get a palindrome (884251152488).
The spelling of 142201050247 in words is "one hundred forty-two billion, two hundred one million, fifty thousand, two hundred forty-seven".
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