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12745148387668 = 224196782699719
BaseRepresentation
bin1011100101110111011000…
…0010101101000101010100
31200010102110022020020012121
42321131312002231011110
53132304030441401133
643035012414025324
72453543441550304
oct271356602550524
950112408206177
1012745148387668
114074206aaa384
12151a1184a8244
13715b297239c8
14320c2313b604
151717e597802d
hexb97760ad154

12745148387668 has 48 divisors (see below), whose sum is σ = 22876757164800. Its totient is φ = 6209326206720.

The previous prime is 12745148387651. The next prime is 12745148387677. The reversal of 12745148387668 is 86678384154721.

12745148387668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12745148387597 and 12745148387606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1311359313 + ... + 1311369031.

It is an arithmetic number, because the mean of its divisors is an integer number (476599107600).

Almost surely, 212745148387668 is an apocalyptic number.

It is an amenable number.

12745148387668 is a deficient number, since it is larger than the sum of its proper divisors (10131608777132).

12745148387668 is a wasteful number, since it uses less digits than its factorization.

12745148387668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19000 (or 18998 counting only the distinct ones).

The product of its digits is 433520640, while the sum is 70.

The spelling of 12745148387668 in words is "twelve trillion, seven hundred forty-five billion, one hundred forty-eight million, three hundred eighty-seven thousand, six hundred sixty-eight".

Divisors: 1 2 4 41 82 164 967 1934 3868 8269 9719 16538 19438 33076 38876 39647 79294 158588 339029 398479 678058 796958 1356116 1593916 7996123 9398273 15992246 18796546 31984492 37593092 80366411 160732822 321465644 327841043 385329193 655682086 770658386 1311364172 1541316772 3295022851 6590045702 13180091404 77714319437 155428638874 310857277748 3186287096917 6372574193834 12745148387668