Base | Representation |
---|---|
bin | 1001011100111000011011… |
… | …00010111100110000111101 |
3 | 2201120220001000012112201020 |
4 | 10232130031202330300331 |
5 | 10211004224421322231 |
6 | 112111501520334353 |
7 | 4243364224146660 |
oct | 456341542746075 |
9 | 81526030175636 |
10 | 20783574010941 |
11 | 669329a780065 |
12 | 23b7bb4a743b9 |
13 | b79b62166451 |
14 | 51bd04c436d7 |
15 | 260966088396 |
hex | 12e70d8bcc3d |
20783574010941 has 32 divisors (see below), whose sum is σ = 32407456401408. Its totient is φ = 11599872338880.
The previous prime is 20783574010799. The next prime is 20783574010949. The reversal of 20783574010941 is 14901047538702.
It is not a de Polignac number, because 20783574010941 - 29 = 20783574010429 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20783574010949) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43895035 + ... + 44365991.
It is an arithmetic number, because the mean of its divisors is an integer number (1012733012544).
Almost surely, 220783574010941 is an apocalyptic number.
20783574010941 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
20783574010941 is a deficient number, since it is larger than the sum of its proper divisors (11623882390467).
20783574010941 is a wasteful number, since it uses less digits than its factorization.
20783574010941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 519881.
The product of its (nonzero) digits is 1693440, while the sum is 51.
The spelling of 20783574010941 in words is "twenty trillion, seven hundred eighty-three billion, five hundred seventy-four million, ten thousand, nine hundred forty-one".
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