Base | Representation |
---|---|
bin | 11001001101000001… |
… | …11000000110110011 |
3 | 1021221000001210022020 |
4 | 30212200320012303 |
5 | 210202422221030 |
6 | 10114401242523 |
7 | 656212031346 |
oct | 144640700663 |
9 | 37830053266 |
10 | 13531054515 |
11 | 5813a22590 |
12 | 2757633443 |
13 | 137840aa44 |
14 | 9250c645d |
15 | 542da1510 |
hex | 3268381b3 |
13531054515 has 16 divisors (see below), whose sum is σ = 23617840896. Its totient is φ = 6560511200.
The previous prime is 13531054507. The next prime is 13531054517. The reversal of 13531054515 is 51545013531.
It is not a de Polignac number, because 13531054515 - 23 = 13531054507 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (13531054517) 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, 41003031 + ... + 41003360.
It is an arithmetic number, because the mean of its divisors is an integer number (1476115056).
Almost surely, 213531054515 is an apocalyptic number.
13531054515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13531054515 is a deficient number, since it is larger than the sum of its proper divisors (10086786381).
13531054515 is a wasteful number, since it uses less digits than its factorization.
13531054515 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82006410.
The product of its (nonzero) digits is 22500, while the sum is 33.
The spelling of 13531054515 in words is "thirteen billion, five hundred thirty-one million, fifty-four thousand, five hundred fifteen".
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