Search a number
-
+
42782278553 = 710757119197
BaseRepresentation
bin100111110110000001…
…011100001110011001
311002102120101221011022
4213312001130032121
51200104230403203
631353124412225
73043120240040
oct476601341631
9132376357138
1042782278553
1117164532103
12835b847075
13405a616531
1420dbcdb557
1511a5dc0a38
hex9f605c399

42782278553 has 8 divisors (see below), whose sum is σ = 49350987072. Its totient is φ = 36327808656.

The previous prime is 42782278519. The next prime is 42782278577. The reversal of 42782278553 is 35587228724.

It is a happy number.

42782278553 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 42782278553 - 226 = 42715169689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42782278495 and 42782278504.

It is not an unprimeable number, because it can be changed into a prime (42782278153) 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, 28558850 + ... + 28560347.

It is an arithmetic number, because the mean of its divisors is an integer number (6168873384).

Almost surely, 242782278553 is an apocalyptic number.

It is an amenable number.

42782278553 is a deficient number, since it is larger than the sum of its proper divisors (6568708519).

42782278553 is a wasteful number, since it uses less digits than its factorization.

42782278553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57119311.

The product of its digits is 7526400, while the sum is 53.

The spelling of 42782278553 in words is "forty-two billion, seven hundred eighty-two million, two hundred seventy-eight thousand, five hundred fifty-three".

Divisors: 1 7 107 749 57119197 399834379 6111754079 42782278553