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2080660770 = 236517103163
BaseRepresentation
bin111110000000100…
…0101110100100010
312101000010112000000
41330001011310202
513230122121040
6542243440430
7102363216246
oct17401056442
95330115000
102080660770
1197852a261
124a0986116
132720a9426
1415a494426
15c29e7130
hex7c045d22

2080660770 has 224 divisors, whose sum is σ = 6040075392. Its totient is φ = 513962496.

The previous prime is 2080660763. The next prime is 2080660781. The reversal of 2080660770 is 770660802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 12764709 + ... + 12764871.

Almost surely, 22080660770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2080660770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3020037696).

2080660770 is an abundant number, since it is smaller than the sum of its proper divisors (3959414622).

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

2080660770 is a wasteful number, since it uses less digits than its factorization.

2080660770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 2080660770 is about 45614.2605990714. The cubic root of 2080660770 is about 1276.6360174917.

The spelling of 2080660770 in words is "two billion, eighty million, six hundred sixty thousand, seven hundred seventy".