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6513530462145 = 3257223199645397
BaseRepresentation
bin101111011001000110010…
…1010110101111111000001
3212001200120010200221212100
41132302030222311333001
51323204202244242040
621504135151021013
71241405233264200
oct136621452657701
925050503627770
106513530462145
112091411158373
1289244820a769
133832b973ba95
14187383dc3237
15b46728a1b30
hex5ec8cab5fc1

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".

Divisors: 1 3 5 7 9 15 21 23 35 45 49 63 69 105 115 147 161 199 207 245 315 345 441 483 597 735 805 995 1035 1127 1393 1449 1791 2205 2415 2985 3381 4179 4577 5635 6965 7245 8955 9751 10143 12537 13731 16905 20895 22885 29253 32039 41193 48755 50715 62685 68655 87759 96117 146265 160195 205965 224273 288351 438795 480585 645397 672819 1121365 1441755 1936191 2018457 3226985 3364095 4517779 5808573 9680955 10092285 13553337 14844131 22588895 29042865 31624453 40660011 44532393 67766685 74220655 94873359 103908917 128434003 133597179 158122265 203300055 222661965 284620077 311726751 385302009 474366795 519544585 642170015 667985895 727362419 899038021 935180253 1155906027 1423100385 1558633755 1926510045 2182087257 2697114063 2953982069 3636812095 4495190105 4675901265 5779530135 6293266147 6546261771 8091342189 8861946207 10910436285 13485570315 14769910345 18879798441 20677874483 26585838621 31466330735 32731308855 40456710945 44309731035 56639395323 62033623449 94398992205 103389372415 132929193105 144745121381 186100870347 283196976615 310168117245 434235364143 723725606905 930504351735 1302706092429 2171176820715 6513530462145