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8012840404 = 2253191197887
BaseRepresentation
bin1110111011001101…
…00011110111010100
3202200102120110121211
413131212203313110
5112402241343104
63403034551204
7402365006512
oct73546436724
922612513554
108012840404
113442048658
121677598504
139a90ba7aa
1456028b4b2
1531d6d4e04
hex1dd9a3dd4

8012840404 has 24 divisors (see below), whose sum is σ = 14361919488. Its totient is φ = 3910227360.

The previous prime is 8012840359. The next prime is 8012840587. The reversal of 8012840404 is 4040482108.

It is a super-2 number, since 2×80128404042 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58452 + ... + 139435.

It is an arithmetic number, because the mean of its divisors is an integer number (598413312).

Almost surely, 28012840404 is an apocalyptic number.

It is an amenable number.

8012840404 is a deficient number, since it is larger than the sum of its proper divisors (6349079084).

8012840404 is a wasteful number, since it uses less digits than its factorization.

8012840404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198135 (or 198133 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 8012840404 is about 89514.4703609422. The cubic root of 8012840404 is about 2001.0694616906.

The spelling of 8012840404 in words is "eight billion, twelve million, eight hundred forty thousand, four hundred four".

Divisors: 1 2 4 53 106 191 212 382 764 10123 20246 40492 197887 395774 791548 10488011 20976022 37796417 41952044 75592834 151185668 2003210101 4006420202 8012840404