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2071770730 = 25297144037
BaseRepresentation
bin111101101111100…
…1011011001101010
312100101101212011021
41323133023121222
513220333130410
6541325123054
7102224521621
oct17337133152
95311355137
102071770730
11973508017
124999b948a
132702b5b53
1415921c6b8
15c1d3ceda
hex7b7cb66a

2071770730 has 16 divisors (see below), whose sum is σ = 3857780520. Its totient is φ = 800132032.

The previous prime is 2071770721. The next prime is 2071770731. The reversal of 2071770730 is 370771702.

It can be written as a sum of positive squares in 4 ways, for example, as 2036807161 + 34963569 = 45131^2 + 5913^2 .

It is not an unprimeable number, because it can be changed into a prime (2071770731) 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, 3571729 + ... + 3572308.

Almost surely, 22071770730 is an apocalyptic number.

2071770730 is a deficient number, since it is larger than the sum of its proper divisors (1786009790).

2071770730 is a wasteful number, since it uses less digits than its factorization.

2071770730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7144073.

The product of its (nonzero) digits is 14406, while the sum is 34.

The square root of 2071770730 is about 45516.7082509269. The cubic root of 2071770730 is about 1274.8151940269.

The spelling of 2071770730 in words is "two billion, seventy-one million, seven hundred seventy thousand, seven hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 7144037 14288074 35720185 71440370 207177073 414354146 1035885365 2071770730