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4768381637856 = 253319290471591
BaseRepresentation
bin100010101100011100110…
…1100011001010011100000
3121212212000201022020001000
41011120321230121103200
51111111121144402411
614050321515112000
71001334641111244
oct105307154312340
917785021266030
104768381637856
111579294139961
12650189442600
1328786c318485
14126b10346424
1584083548956
hex45639b194e0

4768381637856 has 96 divisors (see below), whose sum is σ = 14639768236800. Its totient is φ = 1505804722560.

The previous prime is 4768381637813. The next prime is 4768381637897. The reversal of 4768381637856 is 6587361838674.

4768381637856 is a `hidden beast` number, since 4 + 76 + 8 + 381 + 63 + 78 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145219380 + ... + 145252211.

It is an arithmetic number, because the mean of its divisors is an integer number (152497585800).

Almost surely, 24768381637856 is an apocalyptic number.

It is an amenable number.

4768381637856 is an abundant number, since it is smaller than the sum of its proper divisors (9871386598944).

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

4768381637856 is a wasteful number, since it uses less digits than its factorization.

4768381637856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290471629 (or 290471615 counting only the distinct ones).

The product of its digits is 975421440, while the sum is 72.

The spelling of 4768381637856 in words is "four trillion, seven hundred sixty-eight billion, three hundred eighty-one million, six hundred thirty-seven thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 72 76 96 108 114 144 152 171 216 228 288 304 342 432 456 513 608 684 864 912 1026 1368 1824 2052 2736 4104 5472 8208 16416 290471591 580943182 871414773 1161886364 1742829546 2323772728 2614244319 3485659092 4647545456 5228488638 5518960229 6971318184 7842732957 9295090912 10456977276 11037920458 13942636368 15685465914 16556880687 20913954552 22075840916 27885272736 31370931828 33113761374 41827909104 44151681832 49670642061 62741863656 66227522748 83655818208 88303363664 99341284122 125483727312 132455045496 149011926183 176606727328 198682568244 250967454624 264910090992 298023852366 397365136488 529820181984 596047704732 794730272976 1192095409464 1589460545952 2384190818928 4768381637856