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13155331352055 = 354718660044471
BaseRepresentation
bin1011111101101111011011…
…0110100010010111110111
31201120122012122211210021120
42333123312312202113313
53211014104311231210
643551250434315023
72525304242326164
oct277336666422767
951518178753246
1013155331352055
114212165653622
121585711a28a73
13745708920759
14336a1588d06b
1517c301321270
hexbf6f6da25f7

13155331352055 has 16 divisors (see below), whose sum is σ = 21496371231744. Its totient is φ = 6866896364960.

The previous prime is 13155331352011. The next prime is 13155331352057. The reversal of 13155331352055 is 55025313355131.

It is not a de Polignac number, because 13155331352055 - 26 = 13155331351991 is a prime.

It is a super-2 number, since 2×131553313520552 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13155331351998 and 13155331352016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155331352057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9330021531 + ... + 9330022940.

It is an arithmetic number, because the mean of its divisors is an integer number (1343523201984).

Almost surely, 213155331352055 is an apocalyptic number.

13155331352055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13155331352055 is a deficient number, since it is larger than the sum of its proper divisors (8341039879689).

13155331352055 is a wasteful number, since it uses less digits than its factorization.

13155331352055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18660044526.

The product of its (nonzero) digits is 506250, while the sum is 42.

The spelling of 13155331352055 in words is "thirteen trillion, one hundred fifty-five billion, three hundred thirty-one million, three hundred fifty-two thousand, fifty-five".

Divisors: 1 3 5 15 47 141 235 705 18660044471 55980133413 93300222355 279900667065 877022090137 2631066270411 4385110450685 13155331352055