Base | Representation |
---|---|
bin | 11001000110111110… |
… | …11000100110000111 |
3 | 1021210110121210121210 |
4 | 30203133120212013 |
5 | 210101431103110 |
6 | 10105350142503 |
7 | 655024633320 |
oct | 144337304607 |
9 | 37713553553 |
10 | 13480331655 |
11 | 579832876a |
12 | 2742651a33 |
13 | 136aa5b60b |
14 | 91c481447 |
15 | 53d6d2520 |
hex | 3237d8987 |
13480331655 has 32 divisors (see below), whose sum is σ = 25223007744. Its totient is φ = 6019122816.
The previous prime is 13480331647. The next prime is 13480331677. The reversal of 13480331655 is 55613308431.
It is not a de Polignac number, because 13480331655 - 23 = 13480331647 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1488324 + ... + 1497353.
It is an arithmetic number, because the mean of its divisors is an integer number (788218992).
Almost surely, 213480331655 is an apocalyptic number.
13480331655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13480331655 is a deficient number, since it is larger than the sum of its proper divisors (11742676089).
13480331655 is a wasteful number, since it uses less digits than its factorization.
13480331655 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2985735.
The product of its (nonzero) digits is 129600, while the sum is 39.
The spelling of 13480331655 in words is "thirteen billion, four hundred eighty million, three hundred thirty-one thousand, six hundred fifty-five".
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