Base | Representation |
---|---|
bin | 1101110001100101011000… |
… | …1001110111110100011101 |
3 | 1222121220011221111000021021 |
4 | 3130121112021313310131 |
5 | 3441120441012123310 |
6 | 52113425142004141 |
7 | 3122140416564226 |
oct | 334312611676435 |
9 | 58556157430237 |
10 | 15145500114205 |
11 | 490a196a7694a |
12 | 1847371416651 |
13 | 85b2a3435406 |
14 | 3a509078a24d |
15 | 1b3e811795da |
hex | dc656277d1d |
15145500114205 has 4 divisors (see below), whose sum is σ = 18174600137052. Its totient is φ = 12116400091360.
The previous prime is 15145500114181. The next prime is 15145500114209. The reversal of 15145500114205 is 50241100554151.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8814408774649 + 6331091339556 = 2968907^2 + 2516166^2 .
It is not a de Polignac number, because 15145500114205 - 29 = 15145500113693 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15145500114209) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514550011416 + ... + 1514550011425.
It is an arithmetic number, because the mean of its divisors is an integer number (4543650034263).
Almost surely, 215145500114205 is an apocalyptic number.
It is an amenable number.
15145500114205 is a deficient number, since it is larger than the sum of its proper divisors (3029100022847).
15145500114205 is an equidigital number, since it uses as much as digits as its factorization.
15145500114205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3029100022846.
The product of its (nonzero) digits is 20000, while the sum is 34.
Adding to 15145500114205 its reverse (50241100554151), we get a palindrome (65386600668356).
The spelling of 15145500114205 in words is "fifteen trillion, one hundred forty-five billion, five hundred million, one hundred fourteen thousand, two hundred five".
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