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2030505770 = 251371482121
BaseRepresentation
bin111100100000111…
…0000111100101010
312020111202101021102
41321001300330222
513124302141040
6533252441402
7101214004616
oct17101607452
95214671242
102030505770
11952193047
12488019262
13264898607
1415395a346
15bd3db515
hex79070f2a

2030505770 has 16 divisors (see below), whose sum is σ = 3681591048. Its totient is φ = 806273280.

The previous prime is 2030505769. The next prime is 2030505779. The reversal of 2030505770 is 775050302.

It can be written as a sum of positive squares in 4 ways, for example, as 1018184281 + 1012321489 = 31909^2 + 31817^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2030505779) 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, 739691 + ... + 742430.

Almost surely, 22030505770 is an apocalyptic number.

2030505770 is a deficient number, since it is larger than the sum of its proper divisors (1651085278).

2030505770 is a wasteful number, since it uses less digits than its factorization.

2030505770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482265.

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 2030505770 is about 45061.1336963463. The cubic root of 2030505770 is about 1266.2945643689.

The spelling of 2030505770 in words is "two billion, thirty million, five hundred five thousand, seven hundred seventy".

Divisors: 1 2 5 10 137 274 685 1370 1482121 2964242 7410605 14821210 203050577 406101154 1015252885 2030505770