Base | Representation |
---|---|
bin | 1000010010110011110… |
… | …1010001001111011101 |
3 | 111121210020122111121001 |
4 | 2010230331101033131 |
5 | 4313303433222202 |
6 | 145242544110301 |
7 | 13202663354314 |
oct | 2045475211735 |
9 | 447706574531 |
10 | 142488179677 |
11 | 55479954388 |
12 | 23747005391 |
13 | 1058a21316c |
14 | 6c79c8327b |
15 | 3a8e3b4d87 |
hex | 212cf513dd |
142488179677 has 2 divisors, whose sum is σ = 142488179678. Its totient is φ = 142488179676.
The previous prime is 142488179653. The next prime is 142488179689. The reversal of 142488179677 is 776971884241.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 107262145081 + 35226034596 = 327509^2 + 187686^2 .
It is a cyclic number.
It is not a de Polignac number, because 142488179677 - 215 = 142488146909 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142488479677) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71244089838 + 71244089839.
It is an arithmetic number, because the mean of its divisors is an integer number (71244089839).
Almost surely, 2142488179677 is an apocalyptic number.
It is an amenable number.
142488179677 is a deficient number, since it is larger than the sum of its proper divisors (1).
142488179677 is an equidigital number, since it uses as much as digits as its factorization.
142488179677 is an evil number, because the sum of its binary digits is even.
The product of its digits is 37933056, while the sum is 64.
The spelling of 142488179677 in words is "one hundred forty-two billion, four hundred eighty-eight million, one hundred seventy-nine thousand, six hundred seventy-seven".
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