Search a number
-
+
64803925706 = 21315715875533
BaseRepresentation
bin111100010110100111…
…010110111011001010
320012021022000111221112
4330112213112323022
52030204301110311
645434233010322
74452621165002
oct742647267312
9205238014845
1064803925706
11255351435a3
12106868539a2
136159aa7590
1431ca8b5002
151a4437828b
hexf169d6eca

64803925706 has 16 divisors (see below), whose sum is σ = 105350043624. Its totient is φ = 29718995904.

The previous prime is 64803925699. The next prime is 64803925751. The reversal of 64803925706 is 60752930846.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 51888739681 + 12915186025 = 227791^2 + 113645^2 .

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, 7933685 + ... + 7941848.

Almost surely, 264803925706 is an apocalyptic number.

64803925706 is a deficient number, since it is larger than the sum of its proper divisors (40546117918).

64803925706 is a wasteful number, since it uses less digits than its factorization.

64803925706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15875705.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 64803925706 in words is "sixty-four billion, eight hundred three million, nine hundred twenty-five thousand, seven hundred six".

Divisors: 1 2 13 26 157 314 2041 4082 15875533 31751066 206381929 412763858 2492458681 4984917362 32401962853 64803925706