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68433667900416 = 2103571319115823
BaseRepresentation
bin11111000111101011101000…
…11101110100010000000000
322222022012020222102211200000
433203311310131310100000
532432204122440303131
6401313554254400000
720262112041330030
oct1743656435642000
9288265228384600
1068433667900416
111a894612516625
127812aa0b00000
132c2536203ab40
1412c82c87a98c0
157da1b4060ce6
hex3e3d74774400

68433667900416 has 1056 divisors, whose sum is σ = 253544825683968. Its totient is φ = 17952810762240.

The previous prime is 68433667900391. The next prime is 68433667900457. The reversal of 68433667900416 is 61400976633486.

68433667900416 is a `hidden beast` number, since 6 + 8 + 43 + 36 + 67 + 90 + 0 + 416 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4324941081 + ... + 4324956903.

Almost surely, 268433667900416 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 68433667900416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126772412841984).

68433667900416 is an abundant number, since it is smaller than the sum of its proper divisors (185111157783552).

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

68433667900416 is a wasteful number, since it uses less digits than its factorization.

68433667900416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16069 (or 16039 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 63.

The spelling of 68433667900416 in words is "sixty-eight trillion, four hundred thirty-three billion, six hundred sixty-seven million, nine hundred thousand, four hundred sixteen".