Base | Representation |
---|---|
bin | 11000011111110001… |
… | …10001111010101111 |
3 | 1020221112202121110210 |
4 | 30033320301322233 |
5 | 203413232212110 |
6 | 10013001033503 |
7 | 643622302146 |
oct | 141770617257 |
9 | 36845677423 |
10 | 13151444655 |
11 | 5639714028 |
12 | 2670485893 |
13 | 131788831b |
14 | 8ca90c75d |
15 | 51e8b9520 |
hex | 30fe31eaf |
13151444655 has 16 divisors (see below), whose sum is σ = 21045719520. Its totient is φ = 7012967808.
The previous prime is 13151444641. The next prime is 13151444711. The reversal of 13151444655 is 55644415131.
It is not a de Polignac number, because 13151444655 - 217 = 13151313583 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29269 + ... + 164801.
It is an arithmetic number, because the mean of its divisors is an integer number (1315357470).
Almost surely, 213151444655 is an apocalyptic number.
13151444655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13151444655 is a deficient number, since it is larger than the sum of its proper divisors (7894274865).
13151444655 is a wasteful number, since it uses less digits than its factorization.
13151444655 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142010.
The product of its digits is 144000, while the sum is 39.
Adding to 13151444655 its reverse (55644415131), we get a palindrome (68795859786).
The spelling of 13151444655 in words is "thirteen billion, one hundred fifty-one million, four hundred forty-four thousand, six hundred fifty-five".
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