Base | Representation |
---|---|
bin | 110011011101011001… |
… | …001101001111001001 |
3 | 12021121202010000101121 |
4 | 303131121031033021 |
5 | 1401130004330410 |
6 | 41214444315241 |
7 | 3664150040002 |
oct | 633531151711 |
9 | 167552100347 |
10 | 55253980105 |
11 | 21484482075 |
12 | a860542b21 |
13 | 52974057ac |
14 | 29624261a9 |
15 | 1685c699da |
hex | cdd64d3c9 |
55253980105 has 8 divisors (see below), whose sum is σ = 68443640064. Its totient is φ = 42777274800.
The previous prime is 55253980079. The next prime is 55253980109. The reversal of 55253980105 is 50108935255.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 55253980105 - 25 = 55253980073 is a prime.
It is a super-2 number, since 2×552539801052 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (55253980109) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178238491 + ... + 178238800.
It is an arithmetic number, because the mean of its divisors is an integer number (8555455008).
Almost surely, 255253980105 is an apocalyptic number.
It is an amenable number.
55253980105 is a deficient number, since it is larger than the sum of its proper divisors (13189659959).
55253980105 is a wasteful number, since it uses less digits than its factorization.
55253980105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 356477327.
The product of its (nonzero) digits is 270000, while the sum is 43.
The spelling of 55253980105 in words is "fifty-five billion, two hundred fifty-three million, nine hundred eighty thousand, one hundred five".
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