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12100660722 = 23210165310193
BaseRepresentation
bin10110100010100000…
…10110110111110010
31011020022112020220100
423101100112313302
5144240232120342
65320423053230
7605602630143
oct132120266762
934208466810
1012100660722
11514a564557
1224185a1216
1311aac79c97
1482b141aca
154ac505e4c
hex2d1416df2

12100660722 has 48 divisors (see below), whose sum is σ = 26520832728. Its totient is φ = 3987110400.

The previous prime is 12100660697. The next prime is 12100660751. The reversal of 12100660722 is 22706600121.

12100660722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11900409921 + 200250801 = 109089^2 + 14151^2 .

It is a super-2 number, since 2×121006607222 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1182058 + ... + 1192250.

Almost surely, 212100660722 is an apocalyptic number.

12100660722 is an abundant number, since it is smaller than the sum of its proper divisors (14420172006).

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

12100660722 is a wasteful number, since it uses less digits than its factorization.

12100660722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10955 (or 10952 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 12100660722 in words is "twelve billion, one hundred million, six hundred sixty thousand, seven hundred twenty-two".

Divisors: 1 2 3 6 9 18 101 202 303 606 653 909 1306 1818 1959 3918 5877 10193 11754 20386 30579 61158 65953 91737 131906 183474 197859 395718 593577 1029493 1187154 2058986 3088479 6176958 6656029 9265437 13312058 18530874 19968087 39936174 59904261 119808522 672258929 1344517858 2016776787 4033553574 6050330361 12100660722