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68778336525960 = 2335573152804383
BaseRepresentation
bin11111010001101101101000…
…10100010001111010001000
3100000112010220112021011011210
433220312310110101322020
533003331013122312320
6402140155343253120
720326033203316365
oct1750666424217210
9300463815234153
1068778336525960
111aa07801a15386
1278698518aa1a0
132c4ba00216309
1412dac6415b46c
157e41380030e0
hex3e8db4511e88

68778336525960 has 32 divisors (see below), whose sum is σ = 206335009578240. Its totient is φ = 18340889740224.

The previous prime is 68778336525947. The next prime is 68778336525989. The reversal of 68778336525960 is 6952563387786.

It is a happy number.

68778336525960 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286576402072 + ... + 286576402311.

It is an arithmetic number, because the mean of its divisors is an integer number (6447969049320).

Almost surely, 268778336525960 is an apocalyptic number.

68778336525960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68778336525960 is an abundant number, since it is smaller than the sum of its proper divisors (137556673052280).

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

68778336525960 is a wasteful number, since it uses less digits than its factorization.

68778336525960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573152804397 (or 573152804393 counting only the distinct ones).

The product of its (nonzero) digits is 2743372800, while the sum is 75.

The spelling of 68778336525960 in words is "sixty-eight trillion, seven hundred seventy-eight billion, three hundred thirty-six million, five hundred twenty-five thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 573152804383 1146305608766 1719458413149 2292611217532 2865764021915 3438916826298 4585222435064 5731528043830 6877833652596 8597292065745 11463056087660 13755667305192 17194584131490 22926112175320 34389168262980 68778336525960