Base | Representation |
---|---|
bin | 110100000100110101… |
… | …000010000110010001 |
3 | 12100022212001001222022 |
4 | 310010311002012101 |
5 | 1404003342222222 |
6 | 41404241021225 |
7 | 4016432431661 |
oct | 640465020621 |
9 | 170285031868 |
10 | 55915585937 |
11 | 21793988352 |
12 | aa06024815 |
13 | 53714c1233 |
14 | 29c62481a1 |
15 | 16c3da6042 |
hex | d04d42191 |
55915585937 has 8 divisors (see below), whose sum is σ = 58026191400. Its totient is φ = 53817145984.
The previous prime is 55915585903. The next prime is 55915585987. The reversal of 55915585937 is 73958551955.
It can be written as a sum of positive squares in 4 ways, for example, as 1066414336 + 54849171601 = 32656^2 + 234199^2 .
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 55915585937 - 232 = 51620618641 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 55915585937.
It is not an unprimeable number, because it can be changed into a prime (55915585987) 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 7 ways as a sum of consecutive naturals, for example, 3032012 + ... + 3050397.
It is an arithmetic number, because the mean of its divisors is an integer number (7253273925).
Almost surely, 255915585937 is an apocalyptic number.
It is an amenable number.
55915585937 is a deficient number, since it is larger than the sum of its proper divisors (2110605463).
55915585937 is a wasteful number, since it uses less digits than its factorization.
55915585937 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6082755.
The product of its digits is 42525000, while the sum is 62.
The spelling of 55915585937 in words is "fifty-five billion, nine hundred fifteen million, five hundred eighty-five thousand, nine hundred thirty-seven".
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