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13155323442425 = 524347280192957
BaseRepresentation
bin1011111101101111011001…
…1000010111010011111001
31201120122012002221221022022
42333123312120113103321
53211014100300124200
643551245553004225
72525304115154063
oct277336630272371
951518162857268
1013155323442425
114212161140a3a
12158570b253675
137457070b14b8
14336a147d0733
1517c3007ac885
hexbf6f66174f9

13155323442425 has 48 divisors (see below), whose sum is σ = 17053381585152. Its totient is φ = 10057095552000.

The previous prime is 13155323442413. The next prime is 13155323442433. The reversal of 13155323442425 is 52424432355131.

It is not a de Polignac number, because 13155323442425 - 210 = 13155323441401 is a prime.

It is a Duffinian number.

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, 141474047 + ... + 141567003.

It is an arithmetic number, because the mean of its divisors is an integer number (355278783024).

Almost surely, 213155323442425 is an apocalyptic number.

It is an amenable number.

13155323442425 is a deficient number, since it is larger than the sum of its proper divisors (3898058142727).

13155323442425 is a wasteful number, since it uses less digits than its factorization.

13155323442425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95858 (or 95853 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 44.

Adding to 13155323442425 its reverse (52424432355131), we get a palindrome (65579755797556).

The spelling of 13155323442425 in words is "thirteen trillion, one hundred fifty-five billion, three hundred twenty-three million, four hundred forty-two thousand, four hundred twenty-five".

Divisors: 1 5 25 43 47 215 235 1075 1175 2021 2801 10105 14005 50525 70025 92957 120443 131647 464785 602215 658235 2323925 3011075 3291175 3997151 4368979 5660821 19985755 21844895 28304105 99928775 109224475 141520525 187866097 260372557 939330485 1301862785 4696652425 6509313925 11196019951 12237510179 55980099755 61187550895 279900498775 305937754475 526212937697 2631064688485 13155323442425