Base | Representation |
---|---|
bin | 1101110010001001111011… |
… | …1000001001101110111001 |
3 | 1222122211111121202222020202 |
4 | 3130202132320021232321 |
5 | 3441301033343442340 |
6 | 52122130420531545 |
7 | 3122635466460434 |
oct | 334423670115671 |
9 | 58584447688222 |
10 | 15155310140345 |
11 | 4913370526771 |
12 | 184924a850bb5 |
13 | 85c1a7968ccb |
14 | 3a57415ba81b |
15 | 1b435750dc15 |
hex | dc89ee09bb9 |
15155310140345 has 8 divisors (see below), whose sum is σ = 19256158766664. Its totient is φ = 11411057046784.
The previous prime is 15155310140323. The next prime is 15155310140417. The reversal of 15155310140345 is 54304101355151.
It can be written as a sum of positive squares in 4 ways, for example, as 3656673291049 + 11498636849296 = 1912243^2 + 3390964^2 .
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 15155310140345 - 228 = 15155041704889 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 15155310140299 and 15155310140308.
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, 89148883094 + ... + 89148883263.
It is an arithmetic number, because the mean of its divisors is an integer number (2407019845833).
Almost surely, 215155310140345 is an apocalyptic number.
It is an amenable number.
15155310140345 is a deficient number, since it is larger than the sum of its proper divisors (4100848626319).
15155310140345 is a wasteful number, since it uses less digits than its factorization.
15155310140345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178297766379.
The product of its (nonzero) digits is 90000, while the sum is 38.
Adding to 15155310140345 its reverse (54304101355151), we get a palindrome (69459411495496).
The spelling of 15155310140345 in words is "fifteen trillion, one hundred fifty-five billion, three hundred ten million, one hundred forty thousand, three hundred forty-five".
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