Base | Representation |
---|---|
bin | 10011010100010011… |
… | …001110010001111010 |
3 | 1222112112010102110210 |
4 | 103110103032101322 |
5 | 314434332200302 |
6 | 13310102051550 |
7 | 1332666233010 |
oct | 232423162172 |
9 | 58475112423 |
10 | 20741678202 |
11 | 8884155913 |
12 | 402a419bb6 |
13 | 1c5724a68b |
14 | 100a9cc8b0 |
15 | 815e2266c |
hex | 4d44ce47a |
20741678202 has 16 divisors (see below), whose sum is σ = 47409550272. Its totient is φ = 5926193760.
The previous prime is 20741678173. The next prime is 20741678203. The reversal of 20741678202 is 20287614702.
It is not an unprimeable number, because it can be changed into a prime (20741678203) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 246924699 + ... + 246924782.
It is an arithmetic number, because the mean of its divisors is an integer number (2963096892).
Almost surely, 220741678202 is an apocalyptic number.
20741678202 is an abundant number, since it is smaller than the sum of its proper divisors (26667872070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20741678202 is a wasteful number, since it uses less digits than its factorization.
20741678202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 493849493.
The product of its (nonzero) digits is 75264, while the sum is 39.
The spelling of 20741678202 in words is "twenty billion, seven hundred forty-one million, six hundred seventy-eight thousand, two hundred two".
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