Base | Representation |
---|---|
bin | 11001001111111010… |
… | …00101010010010111 |
3 | 1021222200112211000012 |
4 | 30213331011102113 |
5 | 210230114211001 |
6 | 10121023310435 |
7 | 656624342414 |
oct | 144775052227 |
9 | 37880484005 |
10 | 13555225751 |
11 | 5826631811 |
12 | 276374b41b |
13 | 1380421952 |
14 | 9283b910b |
15 | 5450782bb |
hex | 327f45497 |
13555225751 has 16 divisors (see below), whose sum is σ = 13858387200. Its totient is φ = 13254740928.
The previous prime is 13555225711. The next prime is 13555225763. The reversal of 13555225751 is 15752255531.
It is a happy number.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13555225751 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13555225699 and 13555225708.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13555225711) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14466155 + ... + 14467091.
It is an arithmetic number, because the mean of its divisors is an integer number (866149200).
Almost surely, 213555225751 is an apocalyptic number.
13555225751 is a deficient number, since it is larger than the sum of its proper divisors (303161449).
13555225751 is an equidigital number, since it uses as much as digits as its factorization.
13555225751 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2038.
The product of its digits is 262500, while the sum is 41.
The spelling of 13555225751 in words is "thirteen billion, five hundred fifty-five million, two hundred twenty-five thousand, seven hundred fifty-one".
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