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8077820060 = 2251672418509
BaseRepresentation
bin1111000010111100…
…11100000010011100
3202211221211202221202
413201132130002130
5113020410220220
63413315415032
7404114223542
oct74136340234
922757752852
108077820060
11347579a852
1216952b4478
139b96bc1ab
14568b63d92
1532426d275
hex1e179c09c

8077820060 has 24 divisors (see below), whose sum is σ = 17065006560. Its totient is φ = 3211778624.

The previous prime is 8077820053. The next prime is 8077820063. The reversal of 8077820060 is 600287708.

It is a junction number, because it is equal to n+sod(n) for n = 8077819996 and 8077820023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8077820063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205915 + ... + 1212594.

It is an arithmetic number, because the mean of its divisors is an integer number (711041940).

Almost surely, 28077820060 is an apocalyptic number.

It is an amenable number.

8077820060 is an abundant number, since it is smaller than the sum of its proper divisors (8987186500).

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

8077820060 is a wasteful number, since it uses less digits than its factorization.

8077820060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418685 (or 2418683 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 8077820060 is about 89876.6936419003. The cubic root of 8077820060 is about 2006.4640902603.

The spelling of 8077820060 in words is "eight billion, seventy-seven million, eight hundred twenty thousand, sixty".

Divisors: 1 2 4 5 10 20 167 334 668 835 1670 3340 2418509 4837018 9674036 12092545 24185090 48370180 403891003 807782006 1615564012 2019455015 4038910030 8077820060