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3145543201 = 17185031953
BaseRepresentation
bin1011101101111101…
…0010111000100001
322010012220011002001
42323133102320201
522420224340301
61240043524001
7140643450613
oct27337227041
98105804061
103145543201
111374639189
12739529601
133b18b2988
1421ba90db3
15136242c01
hexbb7d2e21

3145543201 has 4 divisors (see below), whose sum is σ = 3330575172. Its totient is φ = 2960511232.

The previous prime is 3145543171. The next prime is 3145543217. The reversal of 3145543201 is 1023455413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1023455413 = 3492932537.

It can be written as a sum of positive squares in 2 ways, for example, as 1427026176 + 1718517025 = 37776^2 + 41455^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145543201 - 27 = 3145543073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3145543201.

It is not an unprimeable number, because it can be changed into a prime (3145543301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92515960 + ... + 92515993.

It is an arithmetic number, because the mean of its divisors is an integer number (832643793).

Almost surely, 23145543201 is an apocalyptic number.

It is an amenable number.

3145543201 is a deficient number, since it is larger than the sum of its proper divisors (185031971).

3145543201 is a wasteful number, since it uses less digits than its factorization.

3145543201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185031970.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 3145543201 is about 56085.1424264930. The cubic root of 3145543201 is about 1465.2055376799.

Adding to 3145543201 its reverse (1023455413), we get a palindrome (4168998614).

The spelling of 3145543201 in words is "three billion, one hundred forty-five million, five hundred forty-three thousand, two hundred one".

Divisors: 1 17 185031953 3145543201