Base | Representation |
---|---|
bin | 10010101010001001… |
… | …100111000111110101 |
3 | 1220201020110211112120 |
4 | 102222021213013311 |
5 | 312012313443240 |
6 | 13112001110153 |
7 | 1306321400010 |
oct | 225211470765 |
9 | 56636424476 |
10 | 20034515445 |
11 | 8550a63a8a |
12 | 3a71628359 |
13 | 1b738a0c89 |
14 | d80b0c377 |
15 | 7c3cd7ad0 |
hex | 4aa2671f5 |
20034515445 has 32 divisors (see below), whose sum is σ = 36645058560. Its totient is φ = 9156006720.
The previous prime is 20034515341. The next prime is 20034515471. The reversal of 20034515445 is 54451543002.
It is not a de Polignac number, because 20034515445 - 29 = 20034514933 is a prime.
It is a Curzon number.
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, 367080 + ... + 418110.
It is an arithmetic number, because the mean of its divisors is an integer number (1145158080).
Almost surely, 220034515445 is an apocalyptic number.
It is an amenable number.
20034515445 is a deficient number, since it is larger than the sum of its proper divisors (16610543115).
20034515445 is a wasteful number, since it uses less digits than its factorization.
20034515445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54785.
The product of its (nonzero) digits is 48000, while the sum is 33.
The spelling of 20034515445 in words is "twenty billion, thirty-four million, five hundred fifteen thousand, four hundred forty-five".
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