Base | Representation |
---|---|
bin | 10010101000101110… |
… | …000011011101001111 |
3 | 1220122120022110002121 |
4 | 102220232003131033 |
5 | 311440142424010 |
6 | 13105342433411 |
7 | 1305610364464 |
oct | 225056033517 |
9 | 56576273077 |
10 | 20010514255 |
11 | 8539460596 |
12 | 3a65592867 |
13 | 1b6b9195a4 |
14 | d7b86166b |
15 | 7c1b463da |
hex | 4a8b8374f |
20010514255 has 4 divisors (see below), whose sum is σ = 24012617112. Its totient is φ = 16008411400.
The previous prime is 20010514231. The next prime is 20010514267. The reversal of 20010514255 is 55241501002.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55241501002 = 2 ⋅27620750501.
It is not a de Polignac number, because 20010514255 - 27 = 20010514127 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001051421 + ... + 2001051430.
It is an arithmetic number, because the mean of its divisors is an integer number (6003154278).
Almost surely, 220010514255 is an apocalyptic number.
20010514255 is a deficient number, since it is larger than the sum of its proper divisors (4002102857).
20010514255 is an equidigital number, since it uses as much as digits as its factorization.
20010514255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4002102856.
The product of its (nonzero) digits is 2000, while the sum is 25.
The spelling of 20010514255 in words is "twenty billion, ten million, five hundred fourteen thousand, two hundred fifty-five".
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