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21304202322 = 23131288921191
BaseRepresentation
bin10011110101110101…
…000101010001010010
32000222201121121111110
4103311311011101102
5322112333433242
613441554554150
71352636506014
oct236565052122
960881547443
1021304202322
119042737587
124166898956
1320169545a0
1410615bc1b4
1584a4db39c
hex4f5d45452

21304202322 has 32 divisors (see below), whose sum is σ = 45891699840. Its totient is φ = 6554321280.

The previous prime is 21304202321. The next prime is 21304202329. The reversal of 21304202322 is 22320240312.

It is not an unprimeable number, because it can be changed into a prime (21304202321) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 994747 + ... + 1015937.

It is an arithmetic number, because the mean of its divisors is an integer number (1434115620).

Almost surely, 221304202322 is an apocalyptic number.

21304202322 is an abundant number, since it is smaller than the sum of its proper divisors (24587497518).

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

21304202322 is a wasteful number, since it uses less digits than its factorization.

21304202322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34098.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 21304202322 its reverse (22320240312), we get a palindrome (43624442634).

The spelling of 21304202322 in words is "twenty-one billion, three hundred four million, two hundred two thousand, three hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 12889 21191 25778 38667 42382 63573 77334 127146 167557 275483 335114 502671 550966 826449 1005342 1652898 273130799 546261598 819392397 1638784794 3550700387 7101400774 10652101161 21304202322