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21202202112010 = 2517499249937547
BaseRepresentation
bin1001101001000100001011…
…01110011011000000001010
32210001220120220211111102021
410310202011232123000022
510234334102220041020
6113032053541355054
74315544222251363
oct464420556330012
983056526744367
1021202202112010
116834892396507
122465166708a8a
13baa488b8c4aa
14534299012b6a
1526b7b80591aa
hex134885b9b00a

21202202112010 has 32 divisors (see below), whose sum is σ = 40489882776000. Its totient is φ = 7966009466112.

The previous prime is 21202202112001. The next prime is 21202202112017. The reversal of 21202202112010 is 1021120220212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21202202112017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124883944 + ... + 125053603.

It is an arithmetic number, because the mean of its divisors is an integer number (1265308836750).

Almost surely, 221202202112010 is an apocalyptic number.

21202202112010 is a deficient number, since it is larger than the sum of its proper divisors (19287680663990).

21202202112010 is a wasteful number, since it uses less digits than its factorization.

21202202112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249938070.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21202202112010 its reverse (1021120220212), we get a palindrome (22223322332222).

The spelling of 21202202112010 in words is "twenty-one trillion, two hundred two billion, two hundred two million, one hundred twelve thousand, ten".

Divisors: 1 2 5 10 17 34 85 170 499 998 2495 4990 8483 16966 42415 84830 249937547 499875094 1249687735 2499375470 4248938299 8497876598 21244691495 42489382990 124718835953 249437671906 623594179765 1247188359530 2120220211201 4240440422402 10601101056005 21202202112010