Search a number
-
+
64424446624662 = 2337290200210021
BaseRepresentation
bin11101010010111111111000…
…10000011000001110010110
322110002220202110021210110020
432221133330100120032112
531421012231313442122
6345004103204410010
716366340562634005
oct1651377420301626
9273086673253406
1064424446624662
111958928863a003
127285a809a6906
1329c4278998b27
1411ca2348d4c3c
1576ac6376ac5c
hex3a97fc418396

64424446624662 has 16 divisors (see below), whose sum is σ = 132331295770032. Its totient is φ = 20894415121440.

The previous prime is 64424446624639. The next prime is 64424446624679. The reversal of 64424446624662 is 26642664442446.

It is a super-2 number, since 2×644244466246622 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64424446624596 and 64424446624605.

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, 145100104789 + ... + 145100105232.

It is an arithmetic number, because the mean of its divisors is an integer number (8270705985627).

Almost surely, 264424446624662 is an apocalyptic number.

64424446624662 is an abundant number, since it is smaller than the sum of its proper divisors (67906849145370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64424446624662 is a wasteful number, since it uses less digits than its factorization.

64424446624662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290200210063.

The product of its digits is 254803968, while the sum is 60.

The spelling of 64424446624662 in words is "sixty-four trillion, four hundred twenty-four billion, four hundred forty-six million, six hundred twenty-four thousand, six hundred sixty-two".

Divisors: 1 2 3 6 37 74 111 222 290200210021 580400420042 870600630063 1741201260126 10737407770777 21474815541554 32212223312331 64424446624662