Search a number
-
+
47042037257 = 1039153129573
BaseRepresentation
bin101011110011111011…
…001000011000001001
311111102102220002120012
4223303323020120021
51232320230143012
633335534041305
73253513501445
oct536373103011
9144372802505
1047042037257
1118a50004946
12914a349235
134588cb6407
1423c394b825
151354d56622
hexaf3ec8609

47042037257 has 8 divisors (see below), whose sum is σ = 47119662720. Its totient is φ = 46964476080.

The previous prime is 47042037247. The next prime is 47042037307. The reversal of 47042037257 is 75273024074.

47042037257 is digitally balanced in base 2, because in such base 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 47042037257 - 26 = 47042037193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47042037247) 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, 1575923 + ... + 1605495.

It is an arithmetic number, because the mean of its divisors is an integer number (5889957840).

Almost surely, 247042037257 is an apocalyptic number.

It is an amenable number.

47042037257 is a deficient number, since it is larger than the sum of its proper divisors (77625463).

47042037257 is a wasteful number, since it uses less digits than its factorization.

47042037257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32143.

The product of its (nonzero) digits is 329280, while the sum is 41.

The spelling of 47042037257 in words is "forty-seven billion, forty-two million, thirty-seven thousand, two hundred fifty-seven".

Divisors: 1 1039 1531 29573 1590709 30726347 45276263 47042037257