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60601005551081 = 2953173412273693
BaseRepresentation
bin11011100011101110001010…
…11010001010110111101001
321221120101210021100212020002
431301313011122022313221
530420341324410113311
6332515415001112345
715523164261014312
oct1561670532126751
9257511707325202
1060601005551081
1118344818850056
126968a6a1886b5
1327a785b93a728
1410d7166371609
15701587d4b93b
hex371dc568ade9

60601005551081 has 16 divisors (see below), whose sum is σ = 63877250183760. Its totient is φ = 57403992871680.

The previous prime is 60601005551033. The next prime is 60601005551131. The reversal of 60601005551081 is 18015550010606.

It can be written as a sum of positive squares in 8 ways, for example, as 22987316551081 + 37613689000000 = 4794509^2 + 6133000^2 .

It is a cyclic number.

It is not a de Polignac number, because 60601005551081 - 218 = 60601005288937 is a prime.

It is a super-2 number, since 2×606010055510812 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (60601005551011) 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, 25516271 + ... + 27789963.

It is an arithmetic number, because the mean of its divisors is an integer number (3992328136485).

Almost surely, 260601005551081 is an apocalyptic number.

It is an amenable number.

60601005551081 is a deficient number, since it is larger than the sum of its proper divisors (3276244632679).

60601005551081 is a wasteful number, since it uses less digits than its factorization.

60601005551081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291116.

The product of its (nonzero) digits is 36000, while the sum is 38.

Adding to 60601005551081 its reverse (18015550010606), we get a palindrome (78616555561687).

The spelling of 60601005551081 in words is "sixty trillion, six hundred one billion, five million, five hundred fifty-one thousand, eighty-one".

Divisors: 1 29 53 1537 17341 502889 919073 2273693 26653117 65937097 120505729 3494666141 39428110313 1143415199077 2089689846589 60601005551081