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20102203103232 = 21134376089371
BaseRepresentation
bin1001001001000011010001…
…01011001101100000000000
32122011202022002122002101110
410210201220223031200000
510113323302443300412
6110430454041203320
74143223222042605
oct444415053154000
978152262562343
1020102203103232
116450329652208
122307b37190540
13b2a825370453
144d6d47b266ac
1524cd87701d3c
hex124868acd800

20102203103232 has 96 divisors (see below), whose sum is σ = 54839132187840. Its totient is φ = 6544903249920.

The previous prime is 20102203103231. The next prime is 20102203103267. The reversal of 20102203103232 is 23230130220102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 20102203103199 and 20102203103208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102203103231) 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, 37780494 + ... + 38308877.

It is an arithmetic number, because the mean of its divisors is an integer number (571240960290).

Almost surely, 220102203103232 is an apocalyptic number.

It is an amenable number.

20102203103232 is an abundant number, since it is smaller than the sum of its proper divisors (34736929084608).

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

20102203103232 is an equidigital number, since it uses as much as digits as its factorization.

20102203103232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76089439 (or 76089419 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20102203103232 its reverse (23230130220102), we get a palindrome (43332333323334).

The spelling of 20102203103232 in words is "twenty trillion, one hundred two billion, two hundred three million, one hundred three thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 43 48 64 86 96 128 129 172 192 256 258 344 384 512 516 688 768 1024 1032 1376 1536 2048 2064 2752 3072 4128 5504 6144 8256 11008 16512 22016 33024 44032 66048 88064 132096 264192 76089371 152178742 228268113 304357484 456536226 608714968 913072452 1217429936 1826144904 2434859872 3271842953 3652289808 4869719744 6543685906 7304579616 9739439488 9815528859 13087371812 14609159232 19478878976 19631057718 26174743624 29218318464 38957757952 39262115436 52349487248 58436636928 77915515904 78524230872 104698974496 116873273856 155831031808 157048461744 209397948992 233746547712 314096923488 418795897984 467493095424 628193846976 837591795968 1256387693952 1675183591936 2512775387904 3350367183872 5025550775808 6700734367744 10051101551616 20102203103232