Base | Representation |
---|---|
bin | 11001001011001001… |
… | …01010100100101010 |
3 | 1021212220100212121221 |
4 | 30211210222210222 |
5 | 210134402123232 |
6 | 10113035052254 |
7 | 655630621552 |
oct | 144544524452 |
9 | 37786325557 |
10 | 13515270442 |
11 | 58060217a3 |
12 | 27522a108a |
13 | 137507255b |
14 | 922d78162 |
15 | 5417d4897 |
hex | 32592a92a |
13515270442 has 16 divisors (see below), whose sum is σ = 21159274752. Its totient is φ = 6462316080.
The previous prime is 13515270343. The next prime is 13515270451. The reversal of 13515270442 is 24407251531.
It is a super-3 number, since 3×135152704423 (a number of 31 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13515270398 and 13515270407.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179188 + ... + 243184.
It is an arithmetic number, because the mean of its divisors is an integer number (1322454672).
Almost surely, 213515270442 is an apocalyptic number.
13515270442 is a deficient number, since it is larger than the sum of its proper divisors (7644004310).
13515270442 is a wasteful number, since it uses less digits than its factorization.
13515270442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68613.
The product of its (nonzero) digits is 33600, while the sum is 34.
The spelling of 13515270442 in words is "thirteen billion, five hundred fifteen million, two hundred seventy thousand, four hundred forty-two".
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