Search a number
-
+
10408450771 = 69115062881
BaseRepresentation
bin10011011000110010…
…00101101011010011
3222212101100002020201
421230121011223103
5132304030411041
64440453120031
7515634241345
oct115431055323
928771302221
1010408450771
114461332134
122025929017
13c9b4ca414
1470a4c7295
1540db90631
hex26c645ad3

10408450771 has 4 divisors (see below), whose sum is σ = 10423514344. Its totient is φ = 10393387200.

The previous prime is 10408450769. The next prime is 10408450783. The reversal of 10408450771 is 17705480401.

10408450771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17705480401 = 72529354343.

It is a cyclic number.

It is not a de Polignac number, because 10408450771 - 21 = 10408450769 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 10408450771.

It is not an unprimeable number, because it can be changed into a prime (10408450271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7530750 + ... + 7532131.

It is an arithmetic number, because the mean of its divisors is an integer number (2605878586).

Almost surely, 210408450771 is an apocalyptic number.

10408450771 is a deficient number, since it is larger than the sum of its proper divisors (15063573).

10408450771 is an equidigital number, since it uses as much as digits as its factorization.

10408450771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15063572.

The product of its (nonzero) digits is 31360, while the sum is 37.

The spelling of 10408450771 in words is "ten billion, four hundred eight million, four hundred fifty thousand, seven hundred seventy-one".

Divisors: 1 691 15062881 10408450771