Base | Representation |
---|---|
bin | 10010101110101100… |
… | …001011101101000101 |
3 | 1220220112210202022221 |
4 | 102232230023231011 |
5 | 312141313441140 |
6 | 13123321452341 |
7 | 1311235006441 |
oct | 225654135505 |
9 | 56815722287 |
10 | 20110687045 |
11 | 858aa5a919 |
12 | 3a930410b1 |
13 | 1b865c0927 |
14 | d8ac99821 |
15 | 7ca83214a |
hex | 4aeb0bb45 |
20110687045 has 16 divisors (see below), whose sum is σ = 24424348608. Its totient is φ = 15895285120.
The previous prime is 20110687039. The next prime is 20110687063. The reversal of 20110687045 is 54078601102.
It is not a de Polignac number, because 20110687045 - 217 = 20110555973 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 20110687045.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81057 + ... + 216313.
It is an arithmetic number, because the mean of its divisors is an integer number (1526521788).
Almost surely, 220110687045 is an apocalyptic number.
It is an amenable number.
20110687045 is a deficient number, since it is larger than the sum of its proper divisors (4313661563).
20110687045 is a wasteful number, since it uses less digits than its factorization.
20110687045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135620.
The product of its (nonzero) digits is 13440, while the sum is 34.
The spelling of 20110687045 in words is "twenty billion, one hundred ten million, six hundred eighty-seven thousand, forty-five".
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