Search a number
-
+
3143718641 = 72291961147
BaseRepresentation
bin1011101101100001…
…0101011011110001
322010002110110020202
42323120111123301
522414242444031
61235540444545
7140622111320
oct27330253361
98102413222
103143718641
111373602388
127389a9755
133b13c435b
1421b7380b7
15135ed22cb
hexbb6156f1

3143718641 has 8 divisors (see below), whose sum is σ = 3608512320. Its totient is φ = 2682847728.

The previous prime is 3143718629. The next prime is 3143718661. The reversal of 3143718641 is 1468173413.

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 3143718641 - 226 = 3076609777 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3143718595 and 3143718604.

It is not an unprimeable number, because it can be changed into a prime (3143718601) 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, 978971 + ... + 982176.

It is an arithmetic number, because the mean of its divisors is an integer number (451064040).

Almost surely, 23143718641 is an apocalyptic number.

It is an amenable number.

3143718641 is a deficient number, since it is larger than the sum of its proper divisors (464793679).

3143718641 is a wasteful number, since it uses less digits than its factorization.

3143718641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961383.

The product of its digits is 48384, while the sum is 38.

The square root of 3143718641 is about 56068.8740835769. The cubic root of 3143718641 is about 1464.9221873118.

The spelling of 3143718641 in words is "three billion, one hundred forty-three million, seven hundred eighteen thousand, six hundred forty-one".

Divisors: 1 7 229 1603 1961147 13728029 449102663 3143718641