Base | Representation |
---|---|
bin | 11000011010000100… |
… | …00110001001001001 |
3 | 1020211012122120102020 |
4 | 30031002012021021 |
5 | 203314002231040 |
6 | 10004130355053 |
7 | 642501244452 |
oct | 141502061111 |
9 | 36735576366 |
10 | 13103555145 |
11 | 5614684a1a |
12 | 265842ba89 |
13 | 130a98b735 |
14 | 8c4404129 |
15 | 51a5a9cd0 |
hex | 30d086249 |
13103555145 has 64 divisors (see below), whose sum is σ = 21632348160. Its totient is φ = 6770598912.
The previous prime is 13103555131. The next prime is 13103555183. The reversal of 13103555145 is 54155530131.
It is not a de Polignac number, because 13103555145 - 212 = 13103551049 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28301184 + ... + 28301646.
It is an arithmetic number, because the mean of its divisors is an integer number (338005440).
Almost surely, 213103555145 is an apocalyptic number.
13103555145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13103555145 is a deficient number, since it is larger than the sum of its proper divisors (8528793015).
13103555145 is a wasteful number, since it uses less digits than its factorization.
13103555145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 926.
The product of its (nonzero) digits is 22500, while the sum is 33.
The spelling of 13103555145 in words is "thirteen billion, one hundred three million, five hundred fifty-five thousand, one hundred forty-five".
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