Base | Representation |
---|---|
bin | 111110110110100… |
… | …0101011010001100 |
3 | 12102222101210211120 |
4 | 1331231011122030 |
5 | 13304344030021 |
6 | 545134320540 |
7 | 103155645303 |
oct | 17555053214 |
9 | 5388353746 |
10 | 2108970636 |
11 | 992505943 |
12 | 4aa359150 |
13 | 277c0c026 |
14 | 16014343a |
15 | c523a2c6 |
hex | 7db4568c |
2108970636 has 48 divisors (see below), whose sum is σ = 4977659904. Its totient is φ = 694927296.
The previous prime is 2108970623. The next prime is 2108970653. The reversal of 2108970636 is 6360798012.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444171 + ... + 448893.
It is an arithmetic number, because the mean of its divisors is an integer number (103701248).
Almost surely, 22108970636 is an apocalyptic number.
It is an amenable number.
2108970636 is an abundant number, since it is smaller than the sum of its proper divisors (2868689268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2108970636 is a wasteful number, since it uses less digits than its factorization.
2108970636 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5150 (or 5148 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 42.
The square root of 2108970636 is about 45923.5303085466. The cubic root of 2108970636 is about 1282.4000048192.
The spelling of 2108970636 in words is "two billion, one hundred eight million, nine hundred seventy thousand, six hundred thirty-six".
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