Base | Representation |
---|---|
bin | 1000010010100110000… |
… | …0111111100010000101 |
3 | 111121122012222210102101 |
4 | 2010221200333202011 |
5 | 4313144142413321 |
6 | 145233122312101 |
7 | 13201362503656 |
oct | 2045140774205 |
9 | 447565883371 |
10 | 142430435461 |
11 | 5544a2a4296 |
12 | 2372b7b8631 |
13 | 1057b275ba2 |
14 | 6c7233152d |
15 | 3a892aa791 |
hex | 212983f885 |
142430435461 has 2 divisors, whose sum is σ = 142430435462. Its totient is φ = 142430435460.
The previous prime is 142430435447. The next prime is 142430435557. The reversal of 142430435461 is 164534034241.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 82142999236 + 60287436225 = 286606^2 + 245535^2 .
It is a cyclic number.
It is not a de Polignac number, because 142430435461 - 25 = 142430435429 is a prime.
It is a super-2 number, since 2×1424304354612 (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 142430435461.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142430445461) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71215217730 + 71215217731.
It is an arithmetic number, because the mean of its divisors is an integer number (71215217731).
Almost surely, 2142430435461 is an apocalyptic number.
It is an amenable number.
142430435461 is a deficient number, since it is larger than the sum of its proper divisors (1).
142430435461 is an equidigital number, since it uses as much as digits as its factorization.
142430435461 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 138240, while the sum is 37.
The spelling of 142430435461 in words is "one hundred forty-two billion, four hundred thirty million, four hundred thirty-five thousand, four hundred sixty-one".
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