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78898248000000 = 29325611137997
BaseRepresentation
bin10001111100000111101110…
…000010111010001000000000
3101100100121011120002102201100
4101330013232002322020000
540320132102442000000
6435445204343334400
722422132064463142
oct2174075602721000
9340317146072640
1078898248000000
1123159617139670
128a23013751400
1335040c4101b70
14156a9a494ac92
1591c4d0261a00
hex47c1ee0ba200

78898248000000 has 3360 divisors, whose sum is σ = 342112395905280. Its totient is φ = 17252352000000.

The previous prime is 78898247999993. The next prime is 78898248000007. The reversal of 78898248000000 is 84289887.

78898248000000 is a `hidden beast` number, since 7 + 8 + 89 + 82 + 480 + 0 + 0 + 0 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (78898247999993) and next prime (78898248000007).

It is not an unprimeable number, because it can be changed into a prime (78898248000007) by changing a digit.

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 335 ways as a sum of consecutive naturals, for example, 813383999952 + ... + 813384000048.

It is an arithmetic number, because the mean of its divisors is an integer number (101819165448).

Almost surely, 278898248000000 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 78898248000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171056197952640).

78898248000000 is an abundant number, since it is smaller than the sum of its proper divisors (263214147905280).

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

78898248000000 is an equidigital number, since it uses as much as digits as its factorization.

78898248000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The spelling of 78898248000000 in words is "seventy-eight trillion, eight hundred ninety-eight billion, two hundred forty-eight million", and thus it is an aban number.