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68530151160 = 233255317212087
BaseRepresentation
bin111111110100101101…
…110001111011111000
320112212222120101022200
4333310231301323320
52110322204314120
651252102550200
74644145450032
oct776455617370
9215788511280
1068530151160
1127077535969
1211346738360
136601a81103
143461720c52
151bb156ee90
hexff4b71ef8

68530151160 has 192 divisors, whose sum is σ = 227165964480. Its totient is φ = 17910896640.

The previous prime is 68530151149. The next prime is 68530151191. The reversal of 68530151160 is 6115103586.

68530151160 is a `hidden beast` number, since 6 + 8 + 530 + 1 + 5 + 116 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32835637 + ... + 32837723.

It is an arithmetic number, because the mean of its divisors is an integer number (1183156065).

Almost surely, 268530151160 is an apocalyptic number.

68530151160 is a gapful number since it is divisible by the number (60) 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 68530151160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113582982240).

68530151160 is an abundant number, since it is smaller than the sum of its proper divisors (158635813320).

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

68530151160 is a wasteful number, since it uses less digits than its factorization.

68530151160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878 (or 3871 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 68530151160 in words is "sixty-eight billion, five hundred thirty million, one hundred fifty-one thousand, one hundred sixty".