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768630856785024 = 2739778726220449
BaseRepresentation
bin1010111011000100001101000…
…1001011101001110010000000
310201210111101120222022202210110
42232301003101023221302000
51301221221443314110044
611322424050240031320
7320620514110654662
oct25661032113516200
93653441528282713
10768630856785024
11202a00574543282
1272259986902540
1326cb676a79017c
14d7b3d09452532
155dcdcbc28e6b9
hex2bb10d12e9c80

768630856785024 has 128 divisors (see below), whose sum is σ = 2065344991416000. Its totient is φ = 253246735908864.

The previous prime is 768630856784929. The next prime is 768630856785049. The reversal of 768630856785024 is 420587658036867.

It is a tau number, because it is divible by the number of its divisors (128).

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, 16203952 + ... + 42424400.

Almost surely, 2768630856785024 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 768630856785024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1032672495708000).

768630856785024 is an abundant number, since it is smaller than the sum of its proper divisors (1296714134630976).

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

768630856785024 is a wasteful number, since it uses less digits than its factorization.

768630856785024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26221350 (or 26221338 counting only the distinct ones).

The product of its (nonzero) digits is 3251404800, while the sum is 75.

The spelling of 768630856785024 in words is "seven hundred sixty-eight trillion, six hundred thirty billion, eight hundred fifty-six million, seven hundred eighty-five thousand, twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 97 128 192 194 291 384 388 582 776 787 1164 1552 1574 2328 2361 3104 3148 4656 4722 6208 6296 9312 9444 12416 12592 18624 18888 25184 37248 37776 50368 75552 76339 100736 151104 152678 229017 302208 305356 458034 610712 916068 1221424 1832136 2442848 3664272 4885696 7328544 9771392 14657088 26220449 29314176 52440898 78661347 104881796 157322694 209763592 314645388 419527184 629290776 839054368 1258581552 1678108736 2517163104 2543383553 3356217472 5034326208 5086767106 7630150659 10068652416 10173534212 15260301318 20347068424 20635493363 30520602636 40694136848 41270986726 61041205272 61906480089 81388273696 82541973452 122082410544 123812960178 162776547392 165083946904 244164821088 247625920356 325553094784 330167893808 488329642176 495251840712 660335787616 976659284352 990503681424 1320671575232 1981007362848 2001642856211 2641343150464 3962014725696 4003285712422 6004928568633 7924029451392 8006571424844 12009857137266 16013142849688 24019714274532 32026285699376 48039428549064 64052571398752 96078857098128 128105142797504 192157714196256 256210285595008 384315428392512 768630856785024