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20323203374768 = 2471731048885393
BaseRepresentation
bin1001001111011110111010…
…10100010101111010110000
32122221212201222122002201112
410213233131110111322300
510130433410030443033
6111120203432052452
74165205632255220
oct447573524257260
978855658562645
1020323203374768
116526027531218
122342933834128
13b4561536aba8
14503910cac080
152539be628c48
hex127bdd515eb0

20323203374768 has 40 divisors (see below), whose sum is σ = 45261502521888. Its totient is φ = 8659597796352.

The previous prime is 20323203374767. The next prime is 20323203374783. The reversal of 20323203374768 is 86747330232302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20323203374767) 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, 524423321 + ... + 524462072.

Almost surely, 220323203374768 is an apocalyptic number.

20323203374768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20323203374768 is an abundant number, since it is smaller than the sum of its proper divisors (24938299147120).

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

20323203374768 is a wasteful number, since it uses less digits than its factorization.

20323203374768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048885581 (or 1048885575 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 50.

The spelling of 20323203374768 in words is "twenty trillion, three hundred twenty-three billion, two hundred three million, three hundred seventy-four thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 173 346 692 1211 1384 2422 2768 4844 9688 19376 1048885393 2097770786 4195541572 7342197751 8391083144 14684395502 16782166288 29368791004 58737582008 117475164016 181457172989 362914345978 725828691956 1270200210923 1451657383912 2540400421846 2903314767824 5080800843692 10161601687384 20323203374768