Search a number
-
+
68224094432 = 2513164000227
BaseRepresentation
bin111111100010011110…
…010001000011100000
320112002122200002102022
4333202132101003200
52104210332010212
651201451041012
74633441143254
oct774236210340
9215078602368
1068224094432
1126a2a7a4a1a
1211280140168
136583542560
143432c12264
151b94766772
hexfe27910e0

68224094432 has 24 divisors (see below), whose sum is σ = 144648201096. Its totient is φ = 31488043392.

The previous prime is 68224094429. The next prime is 68224094443. The reversal of 68224094432 is 23449042286.

It is a super-2 number, since 2×682240944322 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 81999698 + ... + 82000529.

It is an arithmetic number, because the mean of its divisors is an integer number (6027008379).

Almost surely, 268224094432 is an apocalyptic number.

It is an amenable number.

68224094432 is an abundant number, since it is smaller than the sum of its proper divisors (76424106664).

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

68224094432 is a wasteful number, since it uses less digits than its factorization.

68224094432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164000250 (or 164000242 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 68224094432 in words is "sixty-eight billion, two hundred twenty-four million, ninety-four thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 164000227 328000454 656000908 1312001816 2132002951 2624003632 4264005902 5248007264 8528011804 17056023608 34112047216 68224094432