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168804808704 = 2113472191093
BaseRepresentation
bin1001110100110110001…
…1001111100000000000
3121010201022000202220000
42131031203033200000
510231203012334304
6205314200520000
715124066125300
oct2351543174000
9533638022800
10168804808704
1165653a06274
1228870480000
1312bc24575bc
148255039600
1545ce95e939
hex274d8cf800

168804808704 has 720 divisors, whose sum is σ = 617961544200. Its totient is φ = 45649723392.

The previous prime is 168804808691. The next prime is 168804808729. The reversal of 168804808704 is 407808408861.

168804808704 is a `hidden beast` number, since 1 + 6 + 8 + 80 + 480 + 87 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 154441182 + ... + 154442274.

Almost surely, 2168804808704 is an apocalyptic number.

168804808704 is a gapful number since it is divisible by the number (14) 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 168804808704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308980772100).

168804808704 is an abundant number, since it is smaller than the sum of its proper divisors (449156735496).

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

168804808704 is a wasteful number, since it uses less digits than its factorization.

168804808704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 54.

The spelling of 168804808704 in words is "one hundred sixty-eight billion, eight hundred four million, eight hundred eight thousand, seven hundred four".