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461456220571145 = 5281251328145479
BaseRepresentation
bin110100011101100010010011…
…0000110110100011000001001
32020111212210011102120100121122
41220323010212012310120021
5440440444314431234040
64313234021114045025
7166125053216454602
oct15073044606643011
92214783142510548
10461456220571145
11124041536412228
1243909382719775
1316a6419a449247
1481d4859104da9
15385380688d1b5
hex1a3b1261b4609

461456220571145 has 8 divisors (see below), whose sum is σ = 553749435245760. Its totient is φ = 369163662750000.

The previous prime is 461456220571121. The next prime is 461456220571147. The reversal of 461456220571145 is 541175022654164.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 461456220571145 - 212 = 461456220567049 is a prime.

It is a super-2 number, since 2×4614562205711452 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (461456220571147) 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, 162666485 + ... + 165478994.

It is an arithmetic number, because the mean of its divisors is an integer number (69218679405720).

Almost surely, 2461456220571145 is an apocalyptic number.

It is an amenable number.

461456220571145 is a deficient number, since it is larger than the sum of its proper divisors (92293214674615).

461456220571145 is a wasteful number, since it uses less digits than its factorization.

461456220571145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328426735.

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 461456220571145 in words is "four hundred sixty-one trillion, four hundred fifty-six billion, two hundred twenty million, five hundred seventy-one thousand, one hundred forty-five".

Divisors: 1 5 281251 1406255 328145479 1640727395 92291244114229 461456220571145