Search a number
-
+
3145886143 = 21114909413
BaseRepresentation
bin1011101110000010…
…0110100110111111
322010020112120111121
42323200212212333
522420321324033
61240055131411
7140646406501
oct27340464677
98106476447
103145886143
111374852904
12739673b67
133b19a2aba
1421bb3dd71
151362ae62d
hexbb8269bf

3145886143 has 4 divisors (see below), whose sum is σ = 3160795768. Its totient is φ = 3130976520.

The previous prime is 3145886141. The next prime is 3145886173. The reversal of 3145886143 is 3416885413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3416885413 = 22914920897.

It is a cyclic number.

It is not a de Polignac number, because 3145886143 - 21 = 3145886141 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 3145886143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145886141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7454496 + ... + 7454917.

It is an arithmetic number, because the mean of its divisors is an integer number (790198942).

Almost surely, 23145886143 is an apocalyptic number.

3145886143 is a deficient number, since it is larger than the sum of its proper divisors (14909625).

3145886143 is a wasteful number, since it uses less digits than its factorization.

3145886143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14909624.

The product of its digits is 276480, while the sum is 43.

The square root of 3145886143 is about 56088.1996769374. The cubic root of 3145886143 is about 1465.2587836246.

The spelling of 3145886143 in words is "three billion, one hundred forty-five million, eight hundred eighty-six thousand, one hundred forty-three".

Divisors: 1 211 14909413 3145886143