Base | Representation |
---|---|
bin | 10011000111010110… |
… | …111101011110011101 |
3 | 1221222101120101020220 |
4 | 103013112331132131 |
5 | 314013241213031 |
6 | 13232344231553 |
7 | 1324421555160 |
oct | 230726753635 |
9 | 57871511226 |
10 | 20524554141 |
11 | 8782637343 |
12 | 3b8976b5b9 |
13 | 1c21278cc0 |
14 | dc9c2dad7 |
15 | 801d34596 |
hex | 4c75bd79d |
20524554141 has 64 divisors (see below), whose sum is σ = 34575206400. Its totient is φ = 10542295296.
The previous prime is 20524554133. The next prime is 20524554173. The reversal of 20524554141 is 14145542502.
It is a happy number.
It is not a de Polignac number, because 20524554141 - 23 = 20524554133 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20524554181) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1717495 + ... + 1729403.
It is an arithmetic number, because the mean of its divisors is an integer number (540237600).
Almost surely, 220524554141 is an apocalyptic number.
20524554141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
20524554141 is a deficient number, since it is larger than the sum of its proper divisors (14050652259).
20524554141 is a wasteful number, since it uses less digits than its factorization.
20524554141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12098.
The product of its (nonzero) digits is 32000, while the sum is 33.
The spelling of 20524554141 in words is "twenty billion, five hundred twenty-four million, five hundred fifty-four thousand, one hundred forty-one".
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