Search a number
-
+
1081108104677 = 5529171955281
BaseRepresentation
bin11111011101101110001…
…00001000010111100101
310211100112021122001022222
433232313010020113211
5120203102133322202
62144353150402125
7141051603160346
oct17566704102745
93740467561288
101081108104677
1138754a382467
12155638b00345
137ac42b5b2a3
143a47c4300cd
151d1c716c4a2
hexfbb71085e5

1081108104677 has 4 divisors (see below), whose sum is σ = 1081110612876. Its totient is φ = 1081105596480.

The previous prime is 1081108104667. The next prime is 1081108104701. The reversal of 1081108104677 is 7764018011801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 865618108996 + 215489995681 = 930386^2 + 464209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1081108104677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081108104667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424724 + ... + 1530557.

It is an arithmetic number, because the mean of its divisors is an integer number (270277653219).

Almost surely, 21081108104677 is an apocalyptic number.

It is an amenable number.

1081108104677 is a deficient number, since it is larger than the sum of its proper divisors (2508199).

1081108104677 is an equidigital number, since it uses as much as digits as its factorization.

1081108104677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508198.

The product of its (nonzero) digits is 75264, while the sum is 44.

The spelling of 1081108104677 in words is "one trillion, eighty-one billion, one hundred eight million, one hundred four thousand, six hundred seventy-seven".

Divisors: 1 552917 1955281 1081108104677