Search a number
-
+
868666401468 = 22338043207421
BaseRepresentation
bin11001010010000001000…
…11010110001010111100
310002001011212002100121000
430221000203112022330
5103213012044321333
61503020531410300
7116521235404215
oct14510043261274
93061155070530
10868666401468
113054435a0518
1212042a753990
1363bb8024168
1430087bd240c
15178e17c7713
hexca408d62bc

868666401468 has 24 divisors (see below), whose sum is σ = 2252098078160. Its totient is φ = 289555467120.

The previous prime is 868666401419. The next prime is 868666401469. The reversal of 868666401468 is 864104666868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868666401469) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4021603603 + ... + 4021603818.

Almost surely, 2868666401468 is an apocalyptic number.

It is an amenable number.

868666401468 is an abundant number, since it is smaller than the sum of its proper divisors (1383431676692).

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

868666401468 is a wasteful number, since it uses less digits than its factorization.

868666401468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8043207434 (or 8043207426 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 63.

The spelling of 868666401468 in words is "eight hundred sixty-eight billion, six hundred sixty-six million, four hundred one thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 8043207421 16086414842 24129622263 32172829684 48259244526 72388866789 96518489052 144777733578 217166600367 289555467156 434333200734 868666401468