Base | Representation |
---|---|
bin | 11000111110000001… |
… | …10001111100011011 |
3 | 1021121020020201120122 |
4 | 30133000301330123 |
5 | 204423212401110 |
6 | 10054103543455 |
7 | 653123215124 |
oct | 143700617433 |
9 | 37536221518 |
10 | 13405200155 |
11 | 5759982316 |
12 | 272145ab8b |
13 | 13583141c9 |
14 | 9124c504b |
15 | 536ce1255 |
hex | 31f031f1b |
13405200155 has 8 divisors (see below), whose sum is σ = 16090214112. Its totient is φ = 10721510848.
The previous prime is 13405200143. The next prime is 13405200161. The reversal of 13405200155 is 55100250431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13405200155 - 212 = 13405196059 is a prime.
It is a super-2 number, since 2×134052001552 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
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, 308759 + ... + 349488.
It is an arithmetic number, because the mean of its divisors is an integer number (2011276764).
Almost surely, 213405200155 is an apocalyptic number.
13405200155 is a deficient number, since it is larger than the sum of its proper divisors (2685013957).
13405200155 is an equidigital number, since it uses as much as digits as its factorization.
13405200155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 662325.
The product of its (nonzero) digits is 3000, while the sum is 26.
Adding to 13405200155 its reverse (55100250431), we get a palindrome (68505450586).
The spelling of 13405200155 in words is "thirteen billion, four hundred five million, two hundred thousand, one hundred fifty-five".
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