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13155425550031 = 127427124253343
BaseRepresentation
bin1011111101101111110001…
…1101110111111011001111
31201120122110020002112121111
42333123330131313323033
53211014302420100111
643551304041312451
72525306465104642
oct277337435677317
951518406075544
1013155425550031
114212203841996
121585739495727
137457222b23bb
14336a241ada59
1517c30972ba21
hexbf6fc777ecf

13155425550031 has 8 divisors (see below), whose sum is σ = 13262116552704. Its totient is φ = 13048783062840.

The previous prime is 13155425550017. The next prime is 13155425550077. The reversal of 13155425550031 is 13005552455131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13155425550031 is a prime.

It is a super-2 number, since 2×131554255500312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155425550011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11584255 + ... + 12669088.

It is an arithmetic number, because the mean of its divisors is an integer number (1657764569088).

Almost surely, 213155425550031 is an apocalyptic number.

13155425550031 is a deficient number, since it is larger than the sum of its proper divisors (106691002673).

13155425550031 is a wasteful number, since it uses less digits than its factorization.

13155425550031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24257741.

The product of its (nonzero) digits is 225000, while the sum is 40.

The spelling of 13155425550031 in words is "thirteen trillion, one hundred fifty-five billion, four hundred twenty-five million, five hundred fifty thousand, thirty-one".

Divisors: 1 127 4271 542417 24253343 3080174561 103586027953 13155425550031