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4145420655 = 325227405817
BaseRepresentation
bin1111011100010110…
…0001100101101111
3101200220100012002100
43313011201211233
531442211430110
61523202430143
7204504331335
oct36705414557
911626305070
104145420655
111837a88992
12978362353
13510aa913c
142b47a9b55
15193decbc0
hexf716196f

4145420655 has 24 divisors (see below), whose sum is σ = 7217067312. Its totient is φ = 2201145984.

The previous prime is 4145420651. The next prime is 4145420677. The reversal of 4145420655 is 5560245414.

It is not a de Polignac number, because 4145420655 - 22 = 4145420651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145420651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192694 + ... + 213123.

It is an arithmetic number, because the mean of its divisors is an integer number (300711138).

Almost surely, 24145420655 is an apocalyptic number.

4145420655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4145420655 is a deficient number, since it is larger than the sum of its proper divisors (3071646657).

4145420655 is a wasteful number, since it uses less digits than its factorization.

4145420655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406055 (or 406052 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 4145420655 is about 64384.9412129886. The cubic root of 4145420655 is about 1606.4092726033.

The spelling of 4145420655 in words is "four billion, one hundred forty-five million, four hundred twenty thousand, six hundred fifty-five".

Divisors: 1 3 5 9 15 45 227 681 1135 2043 3405 10215 405817 1217451 2029085 3652353 6087255 18261765 92120459 276361377 460602295 829084131 1381806885 4145420655