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68725726224 = 2431431785963
BaseRepresentation
bin100000000000001011…
…1110101110000010000
320120101121120121212120
41000000113311300100
52111222241214344
651323330454240
74652042014521
oct1000027656020
9216347517776
1068725726224
1127167976351
12113a0134380
1366334492bc
14347d6b0848
151bc3803219
hex10005f5c10

68725726224 has 20 divisors (see below), whose sum is σ = 177541459536. Its totient is φ = 22908575392.

The previous prime is 68725726217. The next prime is 68725726259. The reversal of 68725726224 is 42262752786.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715892934 + ... + 715893029.

Almost surely, 268725726224 is an apocalyptic number.

It is an amenable number.

68725726224 is an abundant number, since it is smaller than the sum of its proper divisors (108815733312).

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

68725726224 is a wasteful number, since it uses less digits than its factorization.

68725726224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431785974 (or 1431785968 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 51.

The spelling of 68725726224 in words is "sixty-eight billion, seven hundred twenty-five million, seven hundred twenty-six thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 1431785963 2863571926 4295357889 5727143852 8590715778 11454287704 17181431556 22908575408 34362863112 68725726224