Base | Representation |
---|---|
bin | 10010101010001100… |
… | …110111101101111001 |
3 | 1220201022002020120011 |
4 | 102222030313231321 |
5 | 312013023313344 |
6 | 13112031301521 |
7 | 1306331555665 |
oct | 225214675571 |
9 | 56638066504 |
10 | 20035369849 |
11 | 8551497a00 |
12 | 3a7197a8a1 |
13 | 1b73b0cb41 |
14 | d80c918a5 |
15 | 7c3e05d34 |
hex | 4aa337b79 |
20035369849 has 12 divisors (see below), whose sum is σ = 22026255552. Its totient is φ = 18210741560.
The previous prime is 20035369847. The next prime is 20035369853. The reversal of 20035369849 is 94896353002.
It is not a de Polignac number, because 20035369849 - 21 = 20035369847 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20035369841) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 909564 + ... + 931330.
It is an arithmetic number, because the mean of its divisors is an integer number (1835521296).
Almost surely, 220035369849 is an apocalyptic number.
It is an amenable number.
20035369849 is a deficient number, since it is larger than the sum of its proper divisors (1990885703).
20035369849 is a wasteful number, since it uses less digits than its factorization.
20035369849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29396 (or 29385 counting only the distinct ones).
The product of its (nonzero) digits is 1399680, while the sum is 49.
The spelling of 20035369849 in words is "twenty billion, thirty-five million, three hundred sixty-nine thousand, eight hundred forty-nine".
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