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12202220032 = 2929821809
BaseRepresentation
bin10110101110100111…
…10001101000000000
31011111101122000002021
423113103301220000
5144442232020112
65334451531224
7611245105342
oct132723615000
934441560067
1012202220032
1151a1920572
1224465b9b14
1311c6018452
1483a81b292
154b63b7907
hex2d74f1a00

12202220032 has 40 divisors (see below), whose sum is σ = 25221348900. Its totient is φ = 5890719744.

The previous prime is 12202220011. The next prime is 12202220087. The reversal of 12202220032 is 23002220221.

It can be written as a sum of positive squares in 2 ways, for example, as 11019960576 + 1182259456 = 104976^2 + 34384^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12202219988 and 12202220015.

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, 396057 + ... + 425752.

Almost surely, 212202220032 is an apocalyptic number.

It is an amenable number.

12202220032 is an abundant number, since it is smaller than the sum of its proper divisors (13019128868).

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

12202220032 is an frugal number, since it uses more digits than its factorization.

12202220032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821856 (or 821840 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12202220032 its reverse (23002220221), we get a palindrome (35204440253).

The spelling of 12202220032 in words is "twelve billion, two hundred two million, two hundred twenty thousand, thirty-two".

Divisors: 1 2 4 8 16 29 32 58 64 116 128 232 256 464 512 928 1856 3712 7424 14848 821809 1643618 3287236 6574472 13148944 23832461 26297888 47664922 52595776 95329844 105191552 190659688 210383104 381319376 420766208 762638752 1525277504 3050555008 6101110016 12202220032