Base | Representation |
---|---|
bin | 10000111110001… |
… | …00000110011111 |
3 | 100220212200120022 |
4 | 20133010012133 |
5 | 242421022431 |
6 | 22043142355 |
7 | 3346022423 |
oct | 1037040637 |
9 | 326780508 |
10 | 142360991 |
11 | 733a4a13 |
12 | 3b8149bb |
13 | 23655b96 |
14 | 14c9ab83 |
15 | c77107b |
hex | 87c419f |
142360991 has 2 divisors, whose sum is σ = 142360992. Its totient is φ = 142360990.
The previous prime is 142360973. The next prime is 142361033. The reversal of 142360991 is 199063241.
142360991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 142360991 - 26 = 142360927 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142360931) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71180495 + 71180496.
It is an arithmetic number, because the mean of its divisors is an integer number (71180496).
Almost surely, 2142360991 is an apocalyptic number.
142360991 is a deficient number, since it is larger than the sum of its proper divisors (1).
142360991 is an equidigital number, since it uses as much as digits as its factorization.
142360991 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 11664, while the sum is 35.
The square root of 142360991 is about 11931.5125193749. The cubic root of 142360991 is about 522.1520661569.
The spelling of 142360991 in words is "one hundred forty-two million, three hundred sixty thousand, nine hundred ninety-one".
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