Search a number
-
+
10408450769 is a prime number
BaseRepresentation
bin10011011000110010…
…00101101011010001
3222212101100002020122
421230121011223101
5132304030411034
64440453120025
7515634241343
oct115431055321
928771302218
1010408450769
114461332132
122025929015
13c9b4ca412
1470a4c7293
1540db9062e
hex26c645ad1

10408450769 has 2 divisors, whose sum is σ = 10408450770. Its totient is φ = 10408450768.

The previous prime is 10408450763. The next prime is 10408450783. The reversal of 10408450769 is 96705480401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6181890625 + 4226560144 = 78625^2 + 65012^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10408450769 is a prime.

It is a super-2 number, since 2×104084507692 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10408450763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5204225384 + 5204225385.

It is an arithmetic number, because the mean of its divisors is an integer number (5204225385).

Almost surely, 210408450769 is an apocalyptic number.

It is an amenable number.

10408450769 is a deficient number, since it is larger than the sum of its proper divisors (1).

10408450769 is an equidigital number, since it uses as much as digits as its factorization.

10408450769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 10408450769 in words is "ten billion, four hundred eight million, four hundred fifty thousand, seven hundred sixty-nine".