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868937242944 = 26323449438241
BaseRepresentation
bin11001010010100001011…
…00100001100101000000
310002001212201201112020210
430221100230201211000
5103214040413233234
61503103444434120
7116531034461421
oct14512054414500
93061781645223
10868937242944
11305572469751
121204a53a8940
1363c2c182ca4
14300b1b75648
151790a476be9
hexca50b21940

868937242944 has 112 divisors (see below), whose sum is σ = 2404370908800. Its totient is φ = 276434780160.

The previous prime is 868937242909. The next prime is 868937242951. The reversal of 868937242944 is 449242739868.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1763664 + ... + 2201904.

It is an arithmetic number, because the mean of its divisors is an integer number (21467597400).

Almost surely, 2868937242944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868937242944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1202185454400).

868937242944 is an abundant number, since it is smaller than the sum of its proper divisors (1535433665856).

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

868937242944 is a wasteful number, since it uses less digits than its factorization.

868937242944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438728 (or 438718 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 66.

The spelling of 868937242944 in words is "eight hundred sixty-eight billion, nine hundred thirty-seven million, two hundred forty-two thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 92 96 138 184 192 276 368 449 552 736 898 1104 1347 1472 1796 2208 2694 3592 4416 5388 7184 10327 10776 14368 20654 21552 28736 30981 41308 43104 61962 82616 86208 123924 165232 247848 330464 438241 495696 660928 876482 991392 1314723 1752964 1982784 2629446 3505928 5258892 7011856 10079543 10517784 14023712 20159086 21035568 28047424 30238629 40318172 42071136 60477258 80636344 84142272 120954516 161272688 196770209 241909032 322545376 393540418 483818064 590310627 645090752 787080836 967636128 1180621254 1574161672 1935272256 2361242508 3148323344 4525714807 4722485016 6296646688 9051429614 9444970032 12593293376 13577144421 18102859228 18889940064 27154288842 36205718456 37779880128 54308577684 72411436912 108617155368 144822873824 217234310736 289645747648 434468621472 868937242944