Base | Representation |
---|---|
bin | 101111011001000110010… |
… | …1010110101111111000001 |
3 | 212001200120010200221212100 |
4 | 1132302030222311333001 |
5 | 1323204202244242040 |
6 | 21504135151021013 |
7 | 1241405233264200 |
oct | 136621452657701 |
9 | 25050503627770 |
10 | 6513530462145 |
11 | 2091411158373 |
12 | 89244820a769 |
13 | 3832b973ba95 |
14 | 187383dc3237 |
15 | b46728a1b30 |
hex | 5ec8cab5fc1 |
6513530462145 has 144 divisors (see below), whose sum is σ = 13773309638400. Its totient is φ = 2833835735808.
The previous prime is 6513530462143. The next prime is 6513530462167. The reversal of 6513530462145 is 5412640353156.
It is a happy number.
6513530462145 is a `hidden beast` number, since 6 + 5 + 13 + 5 + 3 + 0 + 4 + 621 + 4 + 5 = 666.
It is not a de Polignac number, because 6513530462145 - 21 = 6513530462143 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 6513530462145.
It is not an unprimeable number, because it can be changed into a prime (6513530462143) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9769587 + ... + 10414983.
It is an arithmetic number, because the mean of its divisors is an integer number (95647983600).
Almost surely, 26513530462145 is an apocalyptic number.
It is an amenable number.
6513530462145 is an abundant number, since it is smaller than the sum of its proper divisors (7259779176255).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6513530462145 is a wasteful number, since it uses less digits than its factorization.
6513530462145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 645644 (or 645634 counting only the distinct ones).
The product of its (nonzero) digits is 1296000, while the sum is 45.
The spelling of 6513530462145 in words is "six trillion, five hundred thirteen billion, five hundred thirty million, four hundred sixty-two thousand, one hundred forty-five".
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