Search a number
-
+
64212243010 = 256421224301
BaseRepresentation
bin111011110011010110…
…010001001001000010
320010202001122220212121
4323303112101021002
52023001313234020
645255415114454
74432145026366
oct736326211102
9203661586777
1064212243010
1125261156633
1210540672a2a
136094331686
1431720952a6
151a0c44ebaa
hexef3591242

64212243010 has 8 divisors (see below), whose sum is σ = 115582037436. Its totient is φ = 25684897200.

The previous prime is 64212242993. The next prime is 64212243031. The reversal of 64212243010 is 1034221246.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61385513121 + 2826729889 = 247761^2 + 53167^2 .

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

It is an unprimeable number.

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, 3210612141 + ... + 3210612160.

Almost surely, 264212243010 is an apocalyptic number.

64212243010 is a deficient number, since it is larger than the sum of its proper divisors (51369794426).

64212243010 is a wasteful number, since it uses less digits than its factorization.

64212243010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421224308.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 64212243010 its reverse (1034221246), we get a palindrome (65246464256).

The spelling of 64212243010 in words is "sixty-four billion, two hundred twelve million, two hundred forty-three thousand, ten".

Divisors: 1 2 5 10 6421224301 12842448602 32106121505 64212243010