Base | Representation |
---|---|
bin | 111110101111000… |
… | …0011100000001110 |
3 | 12102200222122012220 |
4 | 1331132003200032 |
5 | 13302341440140 |
6 | 544514040210 |
7 | 103110315441 |
oct | 17536034016 |
9 | 5380878186 |
10 | 2105030670 |
11 | 990264776 |
12 | 4a8b79066 |
13 | 27715c8a2 |
14 | 15d7d9658 |
15 | c4c0cbd0 |
hex | 7d78380e |
2105030670 has 64 divisors (see below), whose sum is σ = 5154788160. Its totient is φ = 550043648.
The previous prime is 2105030657. The next prime is 2105030699. The reversal of 2105030670 is 760305012.
It is a self number, because there is not a number n which added to its sum of digits gives 2105030670.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298222 + ... + 305198.
It is an arithmetic number, because the mean of its divisors is an integer number (80543565).
Almost surely, 22105030670 is an apocalyptic number.
2105030670 is an abundant number, since it is smaller than the sum of its proper divisors (3049757490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105030670 is a wasteful number, since it uses less digits than its factorization.
2105030670 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7189.
The product of its (nonzero) digits is 1260, while the sum is 24.
The square root of 2105030670 is about 45880.6132260675. The cubic root of 2105030670 is about 1281.6009163886.
Adding to 2105030670 its reverse (760305012), we get a palindrome (2865335682).
The spelling of 2105030670 in words is "two billion, one hundred five million, thirty thousand, six hundred seventy".
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