Base | Representation |
---|---|
bin | 10010101011010010… |
… | …010111000010001101 |
3 | 1220202120100201111200 |
4 | 102223102113002031 |
5 | 312032204223221 |
6 | 13113521540113 |
7 | 1306642445325 |
oct | 225322270215 |
9 | 56676321450 |
10 | 20053586061 |
11 | 85607aa023 |
12 | 3a77aa4639 |
13 | 1b7781a372 |
14 | d83474285 |
15 | 7c5803426 |
hex | 4ab49708d |
20053586061 has 6 divisors (see below), whose sum is σ = 28966290990. Its totient is φ = 13369057368.
The previous prime is 20053586039. The next prime is 20053586083. The reversal of 20053586061 is 16068535002.
20053586061 is a `hidden beast` number, since 2 + 0 + 0 + 535 + 8 + 60 + 61 = 666.
It is an interprime number because it is at equal distance from previous prime (20053586039) and next prime (20053586083).
It can be written as a sum of positive squares in only one way, i.e., 13528016100 + 6525569961 = 116310^2 + 80781^2 .
It is not a de Polignac number, because 20053586061 - 26 = 20053585997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20053582061) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1114088106 + ... + 1114088123.
It is an arithmetic number, because the mean of its divisors is an integer number (4827715165).
Almost surely, 220053586061 is an apocalyptic number.
It is an amenable number.
20053586061 is a deficient number, since it is larger than the sum of its proper divisors (8912704929).
20053586061 is a wasteful number, since it uses less digits than its factorization.
20053586061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2228176235 (or 2228176232 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
The spelling of 20053586061 in words is "twenty billion, fifty-three million, five hundred eighty-six thousand, sixty-one".
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