Base | Representation |
---|---|
bin | 10011011010110011… |
… | …010110001000101100 |
3 | 1222211010101110200222 |
4 | 103122303112020230 |
5 | 320200243343114 |
6 | 13325000110512 |
7 | 1335462361262 |
oct | 233263261054 |
9 | 58733343628 |
10 | 20850762284 |
11 | 892a791350 |
12 | 405aa65438 |
13 | 1c73a21b81 |
14 | 101b2a6432 |
15 | 8207bd98e |
hex | 4dacd622c |
20850762284 has 12 divisors (see below), whose sum is σ = 39806000808. Its totient is φ = 9477619200.
The previous prime is 20850762253. The next prime is 20850762299. The reversal of 20850762284 is 48226705802.
It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 473880961 = 20850762284 / (2 + 0 + 8 + 5 + 0 + 7 + 6 + 2 + 2 + 8 + 4).
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 3 ways as a sum of consecutive naturals, for example, 236940437 + ... + 236940524.
It is an arithmetic number, because the mean of its divisors is an integer number (3317166734).
Almost surely, 220850762284 is an apocalyptic number.
It is an amenable number.
20850762284 is a deficient number, since it is larger than the sum of its proper divisors (18955238524).
20850762284 is a wasteful number, since it uses less digits than its factorization.
20850762284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 473880976 (or 473880974 counting only the distinct ones).
The product of its (nonzero) digits is 430080, while the sum is 44.
The spelling of 20850762284 in words is "twenty billion, eight hundred fifty million, seven hundred sixty-two thousand, two hundred eighty-four".
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