Base | Representation |
---|---|
bin | 11001000011110111… |
… | …11011110100101001 |
3 | 1021201122120022011011 |
4 | 30201323323310221 |
5 | 210023242332140 |
6 | 10103015303521 |
7 | 654260223214 |
oct | 144173736451 |
9 | 37648508134 |
10 | 13454261545 |
11 | 578464191a |
12 | 273597aba1 |
13 | 136553130a |
14 | 918c1677b |
15 | 53b282cea |
hex | 321efbd29 |
13454261545 has 16 divisors (see below), whose sum is σ = 16215837840. Its totient is φ = 10716364800.
The previous prime is 13454261521. The next prime is 13454261549. The reversal of 13454261545 is 54516245431.
It can be written as a sum of positive squares in 8 ways, for example, as 4756761 + 13449504784 = 2181^2 + 115972^2 .
It is not a de Polignac number, because 13454261545 - 219 = 13453737257 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13454261498 and 13454261507.
It is not an unprimeable number, because it can be changed into a prime (13454261549) 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, 1100265 + ... + 1112425.
It is an arithmetic number, because the mean of its divisors is an integer number (1013489865).
Almost surely, 213454261545 is an apocalyptic number.
It is an amenable number.
13454261545 is a deficient number, since it is larger than the sum of its proper divisors (2761576295).
13454261545 is a wasteful number, since it uses less digits than its factorization.
13454261545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13116.
The product of its digits is 288000, while the sum is 40.
The spelling of 13454261545 in words is "thirteen billion, four hundred fifty-four million, two hundred sixty-one thousand, five hundred forty-five".
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