Base | Representation |
---|---|
bin | 1101001111011101… |
… | …1111110110111101 |
3 | 100011201111101120021 |
4 | 3103313133312331 |
5 | 24234430302424 |
6 | 1344414052141 |
7 | 154041046156 |
oct | 32367376675 |
9 | 10151441507 |
10 | 3554540989 |
11 | 156449a28a |
12 | 8324aa051 |
13 | 4485548bc |
14 | 25a11892d |
15 | 15c0d24e4 |
hex | d3ddfdbd |
3554540989 has 2 divisors, whose sum is σ = 3554540990. Its totient is φ = 3554540988.
The previous prime is 3554540987. The next prime is 3554541037. The reversal of 3554540989 is 9890454553.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3376772100 + 177768889 = 58110^2 + 13333^2 .
It is a cyclic number.
It is not a de Polignac number, because 3554540989 - 21 = 3554540987 is a prime.
It is a super-3 number, since 3×35545409893 (a number of 30 digits) contains 333 as substring.
Together with 3554540987, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3554540987) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1777270494 + 1777270495.
It is an arithmetic number, because the mean of its divisors is an integer number (1777270495).
Almost surely, 23554540989 is an apocalyptic number.
It is an amenable number.
3554540989 is a deficient number, since it is larger than the sum of its proper divisors (1).
3554540989 is an equidigital number, since it uses as much as digits as its factorization.
3554540989 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888000, while the sum is 52.
The square root of 3554540989 is about 59619.9713938207. The cubic root of 3554540989 is about 1526.1404693290.
The spelling of 3554540989 in words is "three billion, five hundred fifty-four million, five hundred forty thousand, nine hundred eighty-nine".
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