Base | Representation |
---|---|
bin | 1011111101101111011011… |
… | …0110100010010111110111 |
3 | 1201120122012122211210021120 |
4 | 2333123312312202113313 |
5 | 3211014104311231210 |
6 | 43551250434315023 |
7 | 2525304242326164 |
oct | 277336666422767 |
9 | 51518178753246 |
10 | 13155331352055 |
11 | 4212165653622 |
12 | 1585711a28a73 |
13 | 745708920759 |
14 | 336a1588d06b |
15 | 17c301321270 |
hex | bf6f6da25f7 |
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".
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