Base | Representation |
---|---|
bin | 110101001101111110… |
… | …011111110100111001 |
3 | 12110111101021012100121 |
4 | 311031332133310321 |
5 | 1414012024210034 |
6 | 42130120333241 |
7 | 4062023550352 |
oct | 651576376471 |
9 | 173441235317 |
10 | 57142803769 |
11 | 22263694267 |
12 | b0a9014221 |
13 | 550882522c |
14 | 2aa1220d29 |
15 | 17469bb1b4 |
hex | d4df9fd39 |
57142803769 has 2 divisors, whose sum is σ = 57142803770. Its totient is φ = 57142803768.
The previous prime is 57142803727. The next prime is 57142803793. The reversal of 57142803769 is 96730824175.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29313891369 + 27828912400 = 171213^2 + 166820^2 .
It is a cyclic number.
It is not a de Polignac number, because 57142803769 - 235 = 22783065401 is a prime.
It is a super-2 number, since 2×571428037692 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (57142803569) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28571401884 + 28571401885.
It is an arithmetic number, because the mean of its divisors is an integer number (28571401885).
It is a 1-persistent number, because it is pandigital, but 2⋅57142803769 = 114285607538 is not.
Almost surely, 257142803769 is an apocalyptic number.
It is an amenable number.
57142803769 is a deficient number, since it is larger than the sum of its proper divisors (1).
57142803769 is an equidigital number, since it uses as much as digits as its factorization.
57142803769 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2540160, while the sum is 52.
The spelling of 57142803769 in words is "fifty-seven billion, one hundred forty-two million, eight hundred three thousand, seven hundred sixty-nine".
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