Base | Representation |
---|---|
bin | 11000101100000001… |
… | …00110001110100010 |
3 | 1021012201000221121210 |
4 | 30112000212032202 |
5 | 204121031012333 |
6 | 10031110330550 |
7 | 646310322531 |
oct | 142600461642 |
9 | 37181027553 |
10 | 13254157218 |
11 | 5691698545 |
12 | 269a959a56 |
13 | 1332c3b6a3 |
14 | 8da408318 |
15 | 528907a63 |
hex | 3160263a2 |
13254157218 has 32 divisors (see below), whose sum is σ = 28256716800. Its totient is φ = 4132539216.
The previous prime is 13254157183. The next prime is 13254157243. The reversal of 13254157218 is 81275145231.
It is a super-2 number, since 2×132541572182 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726846 + ... + 744857.
It is an arithmetic number, because the mean of its divisors is an integer number (883022400).
Almost surely, 213254157218 is an apocalyptic number.
13254157218 is an abundant number, since it is smaller than the sum of its proper divisors (15002559582).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13254157218 is a wasteful number, since it uses less digits than its factorization.
13254157218 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1471806.
The product of its digits is 67200, while the sum is 39.
The spelling of 13254157218 in words is "thirteen billion, two hundred fifty-four million, one hundred fifty-seven thousand, two hundred eighteen".
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