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3145405045 = 55326345131
BaseRepresentation
bin1011101101111011…
…0001001001110101
322010012122010120011
42323132301021311
522420210430140
61240040540221
7140642334046
oct27336611165
98105563504
103145405045
111374554402
12739481671
133b1864b23
1421ba568cd
15136216cea
hexbb7b1275

3145405045 has 16 divisors (see below), whose sum is σ = 3860410752. Its totient is φ = 2459404480.

The previous prime is 3145404971. The next prime is 3145405069. The reversal of 3145405045 is 5405045413.

It is a happy number.

It is not a de Polignac number, because 3145405045 - 219 = 3144880757 is a prime.

It is a super-2 number, since 2×31454050452 = 19787145794222904050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3145404998 and 3145405016.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 47130 + ... + 92260.

It is an arithmetic number, because the mean of its divisors is an integer number (241275672).

Almost surely, 23145405045 is an apocalyptic number.

It is an amenable number.

3145405045 is a deficient number, since it is larger than the sum of its proper divisors (715005707).

3145405045 is a wasteful number, since it uses less digits than its factorization.

3145405045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45452.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 3145405045 is about 56083.9107498755. The cubic root of 3145405045 is about 1465.1840861757.

The spelling of 3145405045 in words is "three billion, one hundred forty-five million, four hundred five thousand, forty-five".

Divisors: 1 5 53 263 265 1315 13939 45131 69695 225655 2391943 11869453 11959715 59347265 629081009 3145405045