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185413145543660 = 22510005479265589
BaseRepresentation
bin101010001010000111011100…
…101011010100001111101100
3220022111022201220111212011002
4222022013130223110033230
5143300302110224344120
61454201342334415432
754024441410233166
oct5212073453241754
9808438656455132
10185413145543660
1154095300a48741
1218966387361578
137c5c4ccc7ab48
1433b0089125936
15166804c424375
hexa8a1dcad43ec

185413145543660 has 24 divisors (see below), whose sum is σ = 389368036819440. Its totient is φ = 74165176088384.

The previous prime is 185413145543657. The next prime is 185413145543729. The reversal of 185413145543660 is 66345541314581.

It is a happy number.

185413145543660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1854131455436602 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 185413145543596 and 185413145543605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15378146 + ... + 24643734.

It is an arithmetic number, because the mean of its divisors is an integer number (16223668200810).

Almost surely, 2185413145543660 is an apocalyptic number.

185413145543660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

185413145543660 is an abundant number, since it is smaller than the sum of its proper divisors (203954891275780).

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

185413145543660 is a wasteful number, since it uses less digits than its factorization.

185413145543660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10266145 (or 10266143 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 56.

The spelling of 185413145543660 in words is "one hundred eighty-five trillion, four hundred thirteen billion, one hundred forty-five million, five hundred forty-three thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 1000547 2001094 4002188 5002735 9265589 10005470 18531178 20010940 37062356 46327945 92655890 185311780 9270657277183 18541314554366 37082629108732 46353286385915 92706572771830 185413145543660