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3509205141 = 31389979619
BaseRepresentation
bin1101000100101010…
…0011100010010101
3100001120012002110210
43101022203202111
524141324031031
61340114240033
7152650515531
oct32112434225
910046162423
103509205141
111540944842
1281b286019
1343c040460
142540b6bc1
15158129746
hexd12a3895

3509205141 has 8 divisors (see below), whose sum is σ = 5038858720. Its totient is φ = 2159510832.

The previous prime is 3509205137. The next prime is 3509205143. The reversal of 3509205141 is 1415029053.

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

It is not a de Polignac number, because 3509205141 - 22 = 3509205137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3509205099 and 3509205108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3509205143) 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, 44989771 + ... + 44989848.

It is an arithmetic number, because the mean of its divisors is an integer number (629857340).

Almost surely, 23509205141 is an apocalyptic number.

It is an amenable number.

3509205141 is a deficient number, since it is larger than the sum of its proper divisors (1529653579).

3509205141 is a wasteful number, since it uses less digits than its factorization.

3509205141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89979635.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 3509205141 is about 59238.5443862356. The cubic root of 3509205141 is about 1519.6243792819.

The spelling of 3509205141 in words is "three billion, five hundred nine million, two hundred five thousand, one hundred forty-one".

Divisors: 1 3 13 39 89979619 269938857 1169735047 3509205141