Search a number
-
+
2745418071 = 31183194487
BaseRepresentation
bin1010001110100011…
…1100000101010111
321002022222200120210
42203220330011113
521110311334241
61132231500503
7125014445214
oct24350740527
97068880523
102745418071
111189798260
12647527733
13349a29446
141c0896b0b
15111057316
hexa3a3c157

2745418071 has 8 divisors (see below), whose sum is σ = 3993335424. Its totient is φ = 1663889720.

The previous prime is 2745418037. The next prime is 2745418087. The reversal of 2745418071 is 1708145472.

2745418071 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 2745418071 - 26 = 2745418007 is a prime.

It is a super-2 number, since 2×27454180712 = 15074640769146722082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745410071) 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, 41597211 + ... + 41597276.

It is an arithmetic number, because the mean of its divisors is an integer number (499166928).

Almost surely, 22745418071 is an apocalyptic number.

2745418071 is a deficient number, since it is larger than the sum of its proper divisors (1247917353).

2745418071 is a wasteful number, since it uses less digits than its factorization.

2745418071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83194501.

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 2745418071 is about 52396.7372171207. The cubic root of 2745418071 is about 1400.2411270049.

The spelling of 2745418071 in words is "two billion, seven hundred forty-five million, four hundred eighteen thousand, seventy-one".

Divisors: 1 3 11 33 83194487 249583461 915139357 2745418071