Base | Representation |
---|---|
bin | 111110110111101… |
… | …000111001000101 |
3 | 2201111202000021110 |
4 | 332313220321011 |
5 | 4130010212210 |
6 | 252355235233 |
7 | 35065264242 |
oct | 7667507105 |
9 | 2644660243 |
10 | 1054772805 |
11 | 4a1434469 |
12 | 2552a8b19 |
13 | 13a6a6b28 |
14 | a01285c9 |
15 | 62900420 |
hex | 3ede8e45 |
1054772805 has 16 divisors (see below), whose sum is σ = 1711407744. Its totient is φ = 554621760.
The previous prime is 1054772791. The next prime is 1054772819. The reversal of 1054772805 is 5082774501.
It is an interprime number because it is at equal distance from previous prime (1054772791) and next prime (1054772819).
It is not a de Polignac number, because 1054772805 - 25 = 1054772773 is a prime.
It is a super-2 number, since 2×10547728052 = 2225091340335136050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494134 + ... + 496263.
It is an arithmetic number, because the mean of its divisors is an integer number (106962984).
Almost surely, 21054772805 is an apocalyptic number.
1054772805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1054772805 is a deficient number, since it is larger than the sum of its proper divisors (656634939).
1054772805 is an equidigital number, since it uses as much as digits as its factorization.
1054772805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 990476.
The product of its (nonzero) digits is 78400, while the sum is 39.
The square root of 1054772805 is about 32477.2659717532. The cubic root of 1054772805 is about 1017.9340488485.
The spelling of 1054772805 in words is "one billion, fifty-four million, seven hundred seventy-two thousand, eight hundred five".
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