Base | Representation |
---|---|
bin | 11111001110011110011… |
… | …100000101111110101101 |
3 | 21121010210202102020201022 |
4 | 133032132130011332231 |
5 | 240124143243022412 |
6 | 4321442145023525 |
7 | 311014041143525 |
oct | 37163634057655 |
9 | 7533722366638 |
10 | 2145846845357 |
11 | 758059669426 |
12 | 2a7a67924ba5 |
13 | 12747755a377 |
14 | 75c06820685 |
15 | 3ac42182a72 |
hex | 1f39e705fad |
2145846845357 has 8 divisors (see below), whose sum is σ = 2309320231992. Its totient is φ = 1986512025600.
The previous prime is 2145846845347. The next prime is 2145846845381. The reversal of 2145846845357 is 7535486485412.
It can be written as a sum of positive squares in 4 ways, for example, as 310325870761 + 1835520974596 = 557069^2 + 1354814^2 .
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 2145846845357 - 214 = 2145846828973 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2145846845357.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2145846845327) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034640644 + ... + 1034642717.
It is an arithmetic number, because the mean of its divisors is an integer number (288665028999).
Almost surely, 22145846845357 is an apocalyptic number.
It is an amenable number.
2145846845357 is a deficient number, since it is larger than the sum of its proper divisors (163473386635).
2145846845357 is a wasteful number, since it uses less digits than its factorization.
2145846845357 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2069283439.
The product of its digits is 129024000, while the sum is 62.
The spelling of 2145846845357 in words is "two trillion, one hundred forty-five billion, eight hundred forty-six million, eight hundred forty-five thousand, three hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •