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445452102420 = 223513571092439
BaseRepresentation
bin1100111101101110000…
…00111010101100010100
31120120210022201101222120
412132313000322230110
524244241214234140
6540345440255540
744116501253103
oct6366700725424
91516708641876
10445452102420
11161a0810a706
12723b90115b0
13330101040c0
14177ba8ba03a
15b8c1d8d1d0
hex67b703ab14

445452102420 has 48 divisors (see below), whose sum is σ = 1343209418880. Its totient is φ = 109649748096.

The previous prime is 445452102409. The next prime is 445452102421. The reversal of 445452102420 is 24201254544.

445452102420 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445452102421) 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, 285545440 + ... + 285546999.

It is an arithmetic number, because the mean of its divisors is an integer number (27983529560).

Almost surely, 2445452102420 is an apocalyptic number.

It is an amenable number.

445452102420 is an abundant number, since it is smaller than the sum of its proper divisors (897757316460).

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

445452102420 is a wasteful number, since it uses less digits than its factorization.

445452102420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571092464 (or 571092462 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 445452102420 its reverse (24201254544), we get a palindrome (469653356964).

The spelling of 445452102420 in words is "four hundred forty-five billion, four hundred fifty-two million, one hundred two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 571092439 1142184878 1713277317 2284369756 2855462195 3426554634 5710924390 6853109268 7424201707 8566386585 11421848780 14848403414 17132773170 22272605121 29696806828 34265546340 37121008535 44545210242 74242017070 89090420484 111363025605 148484034140 222726051210 445452102420