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2022121012 = 221789282577
BaseRepresentation
bin111100010000111…
…0001111000110100
312012220222101112211
41320201301320310
513120130333022
6532353023204
7101052513352
oct17041617064
95186871484
102022121012
1194848649a
12485254b04
13262c21012
141527b67d2
15bc7d1e77
hex78871e34

2022121012 has 12 divisors (see below), whose sum is σ = 3540702340. Its totient is φ = 1010491776.

The previous prime is 2022121001. The next prime is 2022121027. The reversal of 2022121012 is 2101212202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1652097316 + 370023696 = 40646^2 + 19236^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2022120983 and 2022121001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134133 + ... + 148444.

Almost surely, 22022121012 is an apocalyptic number.

It is an amenable number.

2022121012 is a deficient number, since it is larger than the sum of its proper divisors (1518581328).

2022121012 is a wasteful number, since it uses less digits than its factorization.

2022121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284370 (or 284368 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2022121012 is about 44967.9998665718. Note that the first 3 decimals coincide. The cubic root of 2022121012 is about 1264.5491500046.

Adding to 2022121012 its reverse (2101212202), we get a palindrome (4123333214).

The spelling of 2022121012 in words is "two billion, twenty-two million, one hundred twenty-one thousand, twelve".

Divisors: 1 2 4 1789 3578 7156 282577 565154 1130308 505530253 1011060506 2022121012