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3145542205 = 51348392957
BaseRepresentation
bin1011101101111101…
…0010101000111101
322010012220002201011
42323133102220331
522420224322310
61240043515221
7140643444661
oct27337225075
98105802634
103145542205
111374638463
12739528b11
133b18b23a0
1421ba908a1
1513624278a
hexbb7d2a3d

3145542205 has 8 divisors (see below), whose sum is σ = 4065008472. Its totient is φ = 2322861888.

The previous prime is 3145542109. The next prime is 3145542221. The reversal of 3145542205 is 5022455413.

It can be written as a sum of positive squares in 4 ways, for example, as 158810404 + 2986731801 = 12602^2 + 54651^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3145542205 - 211 = 3145540157 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 24196414 + ... + 24196543.

It is an arithmetic number, because the mean of its divisors is an integer number (508126059).

Almost surely, 23145542205 is an apocalyptic number.

It is an amenable number.

3145542205 is a deficient number, since it is larger than the sum of its proper divisors (919466267).

3145542205 is a wasteful number, since it uses less digits than its factorization.

3145542205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48392975.

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

The square root of 3145542205 is about 56085.1335471353. The cubic root of 3145542205 is about 1465.2053830331.

Adding to 3145542205 its reverse (5022455413), we get a palindrome (8167997618).

The spelling of 3145542205 in words is "three billion, one hundred forty-five million, five hundred forty-two thousand, two hundred five".

Divisors: 1 5 13 65 48392957 241964785 629108441 3145542205