Base | Representation |
---|---|
bin | 110011010001010011… |
… | …000110111111101001 |
3 | 12021002121021100120222 |
4 | 303101103012333221 |
5 | 1400221032230311 |
6 | 41142355055425 |
7 | 3656134150601 |
oct | 632123067751 |
9 | 167077240528 |
10 | 55051055081 |
11 | 2138a981540 |
12 | a8045a1575 |
13 | 5264366009 |
14 | 29434c1c01 |
15 | 1673033adb |
hex | cd14c6fe9 |
55051055081 has 8 divisors (see below), whose sum is σ = 60107349024. Its totient is φ = 50003369920.
The previous prime is 55051055071. The next prime is 55051055099. The reversal of 55051055081 is 18055015055.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 55051055081 - 210 = 55051054057 is a prime.
It is a super-2 number, since 2×550510550812 (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 (55051055071) 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, 2138816 + ... + 2164401.
It is an arithmetic number, because the mean of its divisors is an integer number (7513418628).
Almost surely, 255051055081 is an apocalyptic number.
It is an amenable number.
55051055081 is a deficient number, since it is larger than the sum of its proper divisors (5056293943).
55051055081 is a wasteful number, since it uses less digits than its factorization.
55051055081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4304391.
The product of its (nonzero) digits is 25000, while the sum is 35.
The spelling of 55051055081 in words is "fifty-five billion, fifty-one million, fifty-five thousand, eighty-one".
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