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12998707045155 = 35513822963409
BaseRepresentation
bin1011110100100111111101…
…0100001110001100100011
31201000122221020120121200000
42331021333110032030203
53200432323000421110
643351305032031043
72511061035562626
oct275117724161443
951018836517600
1012998707045155
1141617a2284677
12155b2a0832483
13733a07b49090
1432d1d8419dbd
151781d5dd91c0
hexbd27f50e323

12998707045155 has 48 divisors (see below), whose sum is σ = 25162929224160. Its totient is φ = 6399363460608.

The previous prime is 12998707045123. The next prime is 12998707045193. The reversal of 12998707045155 is 55154070789921.

12998707045155 is a `hidden beast` number, since 1 + 29 + 98 + 7 + 0 + 7 + 0 + 4 + 515 + 5 = 666.

It is not a de Polignac number, because 12998707045155 - 25 = 12998707045123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12998707045092 and 12998707045101.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 411465910 + ... + 411497499.

It is an arithmetic number, because the mean of its divisors is an integer number (524227692170).

Almost surely, 212998707045155 is an apocalyptic number.

12998707045155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12998707045155 is a deficient number, since it is larger than the sum of its proper divisors (12164222179005).

12998707045155 is an equidigital number, since it uses as much as digits as its factorization.

12998707045155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822963442 (or 822963430 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 63.

The spelling of 12998707045155 in words is "twelve trillion, nine hundred ninety-eight billion, seven hundred seven million, forty-five thousand, one hundred fifty-five".

Divisors: 1 3 5 9 13 15 27 39 45 65 81 117 135 195 243 351 405 585 1053 1215 1755 3159 5265 15795 822963409 2468890227 4114817045 7406670681 10698524317 12344451135 22220012043 32095572951 37033353405 53492621585 66660036129 96286718853 111100060215 160477864755 199980108387 288860156559 333300180645 481433594265 866580469677 999900541935 1444300782795 2599741409031 4332902348385 12998707045155