Search a number
-
+
64472627446 = 21011572032939
BaseRepresentation
bin111100000010110111…
…100011100011110110
320011102012121211011121
4330002313203203312
52024014443034241
645341320054154
74441456201603
oct740267434366
9204365554147
1064472627446
1125385132287
12105b390435a
13610626b8c6
1431988b56aa
151a25235ad1
hexf02de38f6

64472627446 has 16 divisors (see below), whose sum is σ = 98288583120. Its totient is φ = 31713832800.

The previous prime is 64472627419. The next prime is 64472627489.

64472627446 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64472627393 and 64472627402.

It is a congruent number.

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, 984756 + ... + 1048183.

It is an arithmetic number, because the mean of its divisors is an integer number (6143036445).

Almost surely, 264472627446 is an apocalyptic number.

64472627446 is a deficient number, since it is larger than the sum of its proper divisors (33815955674).

64472627446 is a wasteful number, since it uses less digits than its factorization.

64472627446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033199.

The product of its digits is 10838016, while the sum is 52.

The spelling of 64472627446 in words is "sixty-four billion, four hundred seventy-two million, six hundred twenty-seven thousand, four hundred forty-six".

Divisors: 1 2 101 157 202 314 15857 31714 2032939 4065878 205326839 319171423 410653678 638342846 32236313723 64472627446