Base | Representation |
---|---|
bin | 1110110001000001… |
… | …11100101000000001 |
3 | 202110110221212010002 |
4 | 13120200330220001 |
5 | 112213413423011 |
6 | 3350345245345 |
7 | 400310330663 |
oct | 73040745001 |
9 | 22413855102 |
10 | 7927482881 |
11 | 33a894824a |
12 | 1652a93855 |
13 | 994502996 |
14 | 552bcc533 |
15 | 315e73c3b |
hex | 1d883ca01 |
7927482881 has 16 divisors (see below), whose sum is σ = 8339580480. Its totient is φ = 7527098880.
The previous prime is 7927482863. The next prime is 7927482883. The reversal of 7927482881 is 1882847297.
7927482881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 7927482881 - 26 = 7927482817 is a prime.
It is a super-2 number, since 2×79274828812 (a number of 21 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7927482883) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490985 + ... + 506873.
It is an arithmetic number, because the mean of its divisors is an integer number (521223780).
Almost surely, 27927482881 is an apocalyptic number.
It is an amenable number.
7927482881 is a deficient number, since it is larger than the sum of its proper divisors (412097599).
7927482881 is a wasteful number, since it uses less digits than its factorization.
7927482881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16256.
The product of its digits is 3612672, while the sum is 56.
The square root of 7927482881 is about 89036.4132307676. The cubic root of 7927482881 is about 1993.9385547494.
The spelling of 7927482881 in words is "seven billion, nine hundred twenty-seven million, four hundred eighty-two thousand, eight hundred eighty-one".
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