Base | Representation |
---|---|
bin | 111111111100010… |
… | …0111000101110101 |
3 | 12112112020001122101 |
4 | 1333320213011311 |
5 | 13343224442423 |
6 | 552522302101 |
7 | 104111562640 |
oct | 17770470565 |
9 | 5475201571 |
10 | 2145546613 |
11 | a01117a21 |
12 | 4ba657931 |
13 | 282677212 |
14 | 164d44a57 |
15 | c85627ad |
hex | 7fe27175 |
2145546613 has 8 divisors (see below), whose sum is σ = 2452914432. Its totient is φ = 1838394096.
The previous prime is 2145546553. The next prime is 2145546617. The reversal of 2145546613 is 3166455412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2145546613 - 217 = 2145415541 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 (2145546617) 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, 31870 + ... + 72847.
It is an arithmetic number, because the mean of its divisors is an integer number (306614304).
Almost surely, 22145546613 is an apocalyptic number.
It is an amenable number.
2145546613 is a deficient number, since it is larger than the sum of its proper divisors (307367819).
2145546613 is a wasteful number, since it uses less digits than its factorization.
2145546613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107651.
The product of its digits is 86400, while the sum is 37.
The square root of 2145546613 is about 46320.0454770934. The cubic root of 2145546613 is about 1289.7711295986.
The spelling of 2145546613 in words is "two billion, one hundred forty-five million, five hundred forty-six thousand, six hundred thirteen".
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