Search a number
-
+
55500160505 = 541221269281
BaseRepresentation
bin110011101100000100…
…010011110111111001
312022020220100021102012
4303230010103313321
51402131020114010
641255121015305
74003226403056
oct635404236771
9168226307365
1055500160505
11215a0437049
12a90aa84535
13530640b77a
142986dca02d
15169c697005
hexcec113df9

55500160505 has 8 divisors (see below), whose sum is σ = 66602055624. Its totient is φ = 44398886400.

The previous prime is 55500160487. The next prime is 55500160549. The reversal of 55500160505 is 50506100555.

It can be written as a sum of positive squares in 4 ways, for example, as 9332332816 + 46167827689 = 96604^2 + 214867^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55500160505 - 28 = 55500160249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71465 + ... + 340745.

It is an arithmetic number, because the mean of its divisors is an integer number (8325256953).

Almost surely, 255500160505 is an apocalyptic number.

It is an amenable number.

55500160505 is a deficient number, since it is larger than the sum of its proper divisors (11101895119).

55500160505 is a wasteful number, since it uses less digits than its factorization.

55500160505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310507.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 55500160505 in words is "fifty-five billion, five hundred million, one hundred sixty thousand, five hundred five".

Divisors: 1 5 41221 206105 269281 1346405 11100032101 55500160505