Base | Representation |
---|---|
bin | 11000010100100010… |
… | …00011011101011111 |
3 | 1020200222022200012210 |
4 | 30022101003131133 |
5 | 203220112112141 |
6 | 5555351531503 |
7 | 641365620114 |
oct | 141221033537 |
9 | 36628280183 |
10 | 13057144671 |
11 | 55a046605a |
12 | 2644989b93 |
13 | 130118c10c |
14 | 8bc1a290b |
15 | 51648d916 |
hex | 30a44375f |
13057144671 has 16 divisors (see below), whose sum is σ = 17500700000. Its totient is φ = 8659243008.
The previous prime is 13057144649. The next prime is 13057144691. The reversal of 13057144671 is 17644175031.
It is a happy number.
13057144671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13057144671 - 219 = 13056620383 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13057144691) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 850455 + ... + 865671.
It is an arithmetic number, because the mean of its divisors is an integer number (1093793750).
Almost surely, 213057144671 is an apocalyptic number.
13057144671 is a deficient number, since it is larger than the sum of its proper divisors (4443555329).
13057144671 is a wasteful number, since it uses less digits than its factorization.
13057144671 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16698.
The product of its (nonzero) digits is 70560, while the sum is 39.
The spelling of 13057144671 in words is "thirteen billion, fifty-seven million, one hundred forty-four thousand, six hundred seventy-one".
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