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23202201321 = 32131073076037
BaseRepresentation
bin10101100110111101…
…010111111011101001
32012220000000221122200
4111212331113323221
5340004230420241
614354155410413
71450654312545
oct254675277351
965800027580
1023202201321
1199270462a2
1245b6453a09
132259c37410
1411a16c4a25
1590be514b6
hex566f57ee9

23202201321 has 48 divisors (see below), whose sum is σ = 36554341824. Its totient is φ = 14096426112.

The previous prime is 23202201301. The next prime is 23202201343. The reversal of 23202201321 is 12310220232.

23202201321 is a `hidden beast` number, since 2 + 320 + 2 + 20 + 1 + 321 = 666.

It is not a de Polignac number, because 23202201321 - 213 = 23202193129 is a prime.

It is a super-2 number, since 2×232022013212 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23202201294 and 23202201303.

It is not an unprimeable number, because it can be changed into a prime (23202201301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3840315 + ... + 3846351.

It is an arithmetic number, because the mean of its divisors is an integer number (761548788).

Almost surely, 223202201321 is an apocalyptic number.

It is an amenable number.

23202201321 is a deficient number, since it is larger than the sum of its proper divisors (13352140503).

23202201321 is a wasteful number, since it uses less digits than its factorization.

23202201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470 (or 6467 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23202201321 its reverse (12310220232), we get a palindrome (35512421553).

The spelling of 23202201321 in words is "twenty-three billion, two hundred two million, two hundred one thousand, three hundred twenty-one".

Divisors: 1 3 9 13 39 107 117 307 321 921 963 1391 2763 3991 4173 6037 11973 12519 18111 32849 35919 54333 78481 98547 235443 295641 427037 645959 706329 1281111 1853359 1937877 3843333 5560077 5813631 8397467 16680231 24093667 25192401 72281001 75577203 198309413 216843003 594928239 1784784717 2578022369 7734067107 23202201321