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2081282212 = 22520320553
BaseRepresentation
bin111110000001101…
…1101100010100100
312101001022002110101
41330003131202210
513230302012322
6542305033444
7102401415112
oct17403354244
95331262411
102081282212
11978914149
124a1025884
13272266249
1415a5b6ab2
15c2abb327
hex7c0dd8a4

2081282212 has 6 divisors (see below), whose sum is σ = 3642243878. Its totient is φ = 1040641104.

The previous prime is 2081282183. The next prime is 2081282219. The reversal of 2081282212 is 2122821802.

It can be written as a sum of positive squares in only one way, i.e., 2045210176 + 36072036 = 45224^2 + 6006^2 .

It is a super-2 number, since 2×20812822122 = 8663471291975225888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2081282219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260160273 + ... + 260160280.

Almost surely, 22081282212 is an apocalyptic number.

It is an amenable number.

2081282212 is a deficient number, since it is larger than the sum of its proper divisors (1560961666).

2081282212 is a wasteful number, since it uses less digits than its factorization.

2081282212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520320557 (or 520320555 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 2081282212 is about 45621.0720172159. The cubic root of 2081282212 is about 1276.7631047260.

The spelling of 2081282212 in words is "two billion, eighty-one million, two hundred eighty-two thousand, two hundred twelve".

Divisors: 1 2 4 520320553 1040641106 2081282212