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78228747050160 = 24357231738833329
BaseRepresentation
bin10001110010011000001100…
…101011011101110010110000
3101020222121001212221022110210
4101302120030223131302300
540223144433221101120
6434213442410424120
722322561164345200
oct2162301453356260
9336877055838423
1078228747050160
1122a20697321853
128935309132040
133485c2953b985
14154641207a400
15909d98a0ece0
hex47260caddcb0

78228747050160 has 960 divisors, whose sum is σ = 295614673735680. Its totient is φ = 17042563399680.

The previous prime is 78228747050143. The next prime is 78228747050177. The reversal of 78228747050160 is 6105074782287.

It is an interprime number because it is at equal distance from previous prime (78228747050143) and next prime (78228747050177).

It is a super-2 number, since 2×782287470501602 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78228747050160.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 23499171376 + ... + 23499174704.

It is an arithmetic number, because the mean of its divisors is an integer number (307931951808).

Almost surely, 278228747050160 is an apocalyptic number.

78228747050160 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78228747050160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147807336867840).

78228747050160 is an abundant number, since it is smaller than the sum of its proper divisors (217385926685520).

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

78228747050160 is a wasteful number, since it uses less digits than its factorization.

78228747050160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4346 (or 4333 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 57.

The spelling of 78228747050160 in words is "seventy-eight trillion, two hundred twenty-eight billion, seven hundred forty-seven million, fifty thousand, one hundred sixty".